Home / 1,893,065.28-2,615,193.72-1,637,973.60

Finding the Fourth Proportional to 1,893,065.28, 2,615,193.72 and 1,637,973.60

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Solution

The fourth proportional to 1,893,065.28, 2,615,193.72 and 1,637,973.60 is: 2,262,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893,065.28 : 2,615,193.72 = 1,637,973.60 : x
  2. Step 2: Convert to fraction form
    1,893,065.28/2,615,193.72 = 1,637,973.60/x
  3. Step 3: Cross multiply
    1,893,065.28x = 2,615,193.72 × 1,637,973.60
  4. Step 4: Simplify right side
    1,893,065.28x = 4,283,618,272,245.79
  5. Step 5: Solve for x
    x = 4,283,618,272,245.79/1,893,065.28
  6. Step 6: Final answer
    x = 2,262,794.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.