Home / 3,428,688.02-5,138,519.31-1,913,084.46

Finding the Fourth Proportional to 3,428,688.02, 5,138,519.31 and 1,913,084.46

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Solution

The fourth proportional to 3,428,688.02, 5,138,519.31 and 1,913,084.46 is: 2,867,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,688.02 : 5,138,519.31 = 1,913,084.46 : x
  2. Step 2: Convert to fraction form
    3,428,688.02/5,138,519.31 = 1,913,084.46/x
  3. Step 3: Cross multiply
    3,428,688.02x = 5,138,519.31 × 1,913,084.46
  4. Step 4: Simplify right side
    3,428,688.02x = 9,830,421,439,370.92
  5. Step 5: Solve for x
    x = 9,830,421,439,370.92/3,428,688.02
  6. Step 6: Final answer
    x = 2,867,108.76

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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.