Home / 3,072,477.28-4,238,836.08-1,924,559.20

Finding the Fourth Proportional to 3,072,477.28, 4,238,836.08 and 1,924,559.20

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Solution

The fourth proportional to 3,072,477.28, 4,238,836.08 and 1,924,559.20 is: 2,655,150.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,477.28 : 4,238,836.08 = 1,924,559.20 : x
  2. Step 2: Convert to fraction form
    3,072,477.28/4,238,836.08 = 1,924,559.20/x
  3. Step 3: Cross multiply
    3,072,477.28x = 4,238,836.08 × 1,924,559.20
  4. Step 4: Simplify right side
    3,072,477.28x = 8,157,890,975,055.94
  5. Step 5: Solve for x
    x = 8,157,890,975,055.94/3,072,477.28
  6. Step 6: Final answer
    x = 2,655,150.95

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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.