Home / 6,617,231.40-9,927,575.10-2,129,615.40

Finding the Fourth Proportional to 6,617,231.40, 9,927,575.10 and 2,129,615.40

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Solution

The fourth proportional to 6,617,231.40, 9,927,575.10 and 2,129,615.40 is: 3,194,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617,231.40 : 9,927,575.10 = 2,129,615.40 : x
  2. Step 2: Convert to fraction form
    6,617,231.40/9,927,575.10 = 2,129,615.40/x
  3. Step 3: Cross multiply
    6,617,231.40x = 9,927,575.10 × 2,129,615.40
  4. Step 4: Simplify right side
    6,617,231.40x = 21,141,916,817,616.54
  5. Step 5: Solve for x
    x = 21,141,916,817,616.54/6,617,231.40
  6. Step 6: Final answer
    x = 3,194,979.22

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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.