Home / 2,985,729.47-4,478,605.89-908,451.03

Finding the Fourth Proportional to 2,985,729.47, 4,478,605.89 and 908,451.03

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Solution

The fourth proportional to 2,985,729.47, 4,478,605.89 and 908,451.03 is: 1,362,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,729.47 : 4,478,605.89 = 908,451.03 : x
  2. Step 2: Convert to fraction form
    2,985,729.47/4,478,605.89 = 908,451.03/x
  3. Step 3: Cross multiply
    2,985,729.47x = 4,478,605.89 × 908,451.03
  4. Step 4: Simplify right side
    2,985,729.47x = 4,068,594,131,463.44
  5. Step 5: Solve for x
    x = 4,068,594,131,463.44/2,985,729.47
  6. Step 6: Final answer
    x = 1,362,680.10

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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.