Home / 2,615,427.40-3,923,141.10-1,977,698.20

Finding the Fourth Proportional to 2,615,427.40, 3,923,141.10 and 1,977,698.20

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Solution

The fourth proportional to 2,615,427.40, 3,923,141.10 and 1,977,698.20 is: 2,966,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615,427.40 : 3,923,141.10 = 1,977,698.20 : x
  2. Step 2: Convert to fraction form
    2,615,427.40/3,923,141.10 = 1,977,698.20/x
  3. Step 3: Cross multiply
    2,615,427.40x = 3,923,141.10 × 1,977,698.20
  4. Step 4: Simplify right side
    2,615,427.40x = 7,758,789,091,816.02
  5. Step 5: Solve for x
    x = 7,758,789,091,816.02/2,615,427.40
  6. Step 6: Final answer
    x = 2,966,547.30

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.