Home / 1,550,993.18-2,139,318.54-1,006,155.29

Finding the Fourth Proportional to 1,550,993.18, 2,139,318.54 and 1,006,155.29

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Solution

The fourth proportional to 1,550,993.18, 2,139,318.54 and 1,006,155.29 is: 1,387,811.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,993.18 : 2,139,318.54 = 1,006,155.29 : x
  2. Step 2: Convert to fraction form
    1,550,993.18/2,139,318.54 = 1,006,155.29/x
  3. Step 3: Cross multiply
    1,550,993.18x = 2,139,318.54 × 1,006,155.29
  4. Step 4: Simplify right side
    1,550,993.18x = 2,152,486,655,319.48
  5. Step 5: Solve for x
    x = 2,152,486,655,319.48/1,550,993.18
  6. Step 6: Final answer
    x = 1,387,811.82

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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.