Home / 2,835,233.60-4,251,381.60-840,430.40

Finding the Fourth Proportional to 2,835,233.60, 4,251,381.60 and 840,430.40

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Solution

The fourth proportional to 2,835,233.60, 4,251,381.60 and 840,430.40 is: 1,260,210.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835,233.60 : 4,251,381.60 = 840,430.40 : x
  2. Step 2: Convert to fraction form
    2,835,233.60/4,251,381.60 = 840,430.40/x
  3. Step 3: Cross multiply
    2,835,233.60x = 4,251,381.60 × 840,430.40
  4. Step 4: Simplify right side
    2,835,233.60x = 3,572,990,338,640.64
  5. Step 5: Solve for x
    x = 3,572,990,338,640.64/2,835,233.60
  6. Step 6: Final answer
    x = 1,260,210.21

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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.