Home / 4,156,389.50-5,739,779.25-3,929,948.91

Finding the Fourth Proportional to 4,156,389.50, 5,739,779.25 and 3,929,948.91

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Solution

The fourth proportional to 4,156,389.50, 5,739,779.25 and 3,929,948.91 is: 5,427,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156,389.50 : 5,739,779.25 = 3,929,948.91 : x
  2. Step 2: Convert to fraction form
    4,156,389.50/5,739,779.25 = 3,929,948.91/x
  3. Step 3: Cross multiply
    4,156,389.50x = 5,739,779.25 × 3,929,948.91
  4. Step 4: Simplify right side
    4,156,389.50x = 22,557,039,207,178.12
  5. Step 5: Solve for x
    x = 22,557,039,207,178.12/4,156,389.50
  6. Step 6: Final answer
    x = 5,427,075.40

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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.