Home / 6,127,355.20-9,191,032.80-1,639,631.20

Finding the Fourth Proportional to 6,127,355.20, 9,191,032.80 and 1,639,631.20

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Solution

The fourth proportional to 6,127,355.20, 9,191,032.80 and 1,639,631.20 is: 2,459,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127,355.20 : 9,191,032.80 = 1,639,631.20 : x
  2. Step 2: Convert to fraction form
    6,127,355.20/9,191,032.80 = 1,639,631.20/x
  3. Step 3: Cross multiply
    6,127,355.20x = 9,191,032.80 × 1,639,631.20
  4. Step 4: Simplify right side
    6,127,355.20x = 15,069,904,139,103.36
  5. Step 5: Solve for x
    x = 15,069,904,139,103.36/6,127,355.20
  6. Step 6: Final answer
    x = 2,459,446.80

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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.