Home / 3,151,110.80-4,726,666.20-1,888,288.40

Finding the Fourth Proportional to 3,151,110.80, 4,726,666.20 and 1,888,288.40

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Solution

The fourth proportional to 3,151,110.80, 4,726,666.20 and 1,888,288.40 is: 2,832,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,110.80 : 4,726,666.20 = 1,888,288.40 : x
  2. Step 2: Convert to fraction form
    3,151,110.80/4,726,666.20 = 1,888,288.40/x
  3. Step 3: Cross multiply
    3,151,110.80x = 4,726,666.20 × 1,888,288.40
  4. Step 4: Simplify right side
    3,151,110.80x = 8,925,308,956,132.08
  5. Step 5: Solve for x
    x = 8,925,308,956,132.08/3,151,110.80
  6. Step 6: Final answer
    x = 2,832,432.60

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1.5x scale

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.