Home / 3,072,479.78-4,238,839.53-1,924,561.70

Finding the Fourth Proportional to 3,072,479.78, 4,238,839.53 and 1,924,561.70

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Solution

The fourth proportional to 3,072,479.78, 4,238,839.53 and 1,924,561.70 is: 2,655,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,479.78 : 4,238,839.53 = 1,924,561.70 : x
  2. Step 2: Convert to fraction form
    3,072,479.78/4,238,839.53 = 1,924,561.70/x
  3. Step 3: Cross multiply
    3,072,479.78x = 4,238,839.53 × 1,924,561.70
  4. Step 4: Simplify right side
    3,072,479.78x = 8,157,908,211,884.00
  5. Step 5: Solve for x
    x = 8,157,908,211,884.00/3,072,479.78
  6. Step 6: Final answer
    x = 2,655,154.40

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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.