Home / 4,581,648.20-6,872,472.30-1,387,267.40

Finding the Fourth Proportional to 4,581,648.20, 6,872,472.30 and 1,387,267.40

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Solution

The fourth proportional to 4,581,648.20, 6,872,472.30 and 1,387,267.40 is: 2,080,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581,648.20 : 6,872,472.30 = 1,387,267.40 : x
  2. Step 2: Convert to fraction form
    4,581,648.20/6,872,472.30 = 1,387,267.40/x
  3. Step 3: Cross multiply
    4,581,648.20x = 6,872,472.30 × 1,387,267.40
  4. Step 4: Simplify right side
    4,581,648.20x = 9,533,956,779,193.02
  5. Step 5: Solve for x
    x = 9,533,956,779,193.02/4,581,648.20
  6. Step 6: Final answer
    x = 2,080,901.10

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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.