Home / 3,648,935.29-5,034,693.65-2,178,557.35

Finding the Fourth Proportional to 3,648,935.29, 5,034,693.65 and 2,178,557.35

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Solution

The fourth proportional to 3,648,935.29, 5,034,693.65 and 2,178,557.35 is: 3,005,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648,935.29 : 5,034,693.65 = 2,178,557.35 : x
  2. Step 2: Convert to fraction form
    3,648,935.29/5,034,693.65 = 2,178,557.35/x
  3. Step 3: Cross multiply
    3,648,935.29x = 5,034,693.65 × 2,178,557.35
  4. Step 4: Simplify right side
    3,648,935.29x = 10,968,368,836,478.75
  5. Step 5: Solve for x
    x = 10,968,368,836,478.75/3,648,935.29
  6. Step 6: Final answer
    x = 3,005,909.39

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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.