Home / 3,280,314.30-4,920,471.45-1,507,386.30

Finding the Fourth Proportional to 3,280,314.30, 4,920,471.45 and 1,507,386.30

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Solution

The fourth proportional to 3,280,314.30, 4,920,471.45 and 1,507,386.30 is: 2,261,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,314.30 : 4,920,471.45 = 1,507,386.30 : x
  2. Step 2: Convert to fraction form
    3,280,314.30/4,920,471.45 = 1,507,386.30/x
  3. Step 3: Cross multiply
    3,280,314.30x = 4,920,471.45 × 1,507,386.30
  4. Step 4: Simplify right side
    3,280,314.30x = 7,417,051,253,271.14
  5. Step 5: Solve for x
    x = 7,417,051,253,271.14/3,280,314.30
  6. Step 6: Final answer
    x = 2,261,079.45

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Similar ratio
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1.5x scale

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.