Home / 3,678,689.52-5,517,970.02-1,655,501.76

Finding the Fourth Proportional to 3,678,689.52, 5,517,970.02 and 1,655,501.76

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Solution

The fourth proportional to 3,678,689.52, 5,517,970.02 and 1,655,501.76 is: 2,483,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,689.52 : 5,517,970.02 = 1,655,501.76 : x
  2. Step 2: Convert to fraction form
    3,678,689.52/5,517,970.02 = 1,655,501.76/x
  3. Step 3: Cross multiply
    3,678,689.52x = 5,517,970.02 × 1,655,501.76
  4. Step 4: Simplify right side
    3,678,689.52x = 9,135,009,079,737.24
  5. Step 5: Solve for x
    x = 9,135,009,079,737.24/3,678,689.52
  6. Step 6: Final answer
    x = 2,483,223.72

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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.