Home / 5,253,827.20-7,880,740.80-1,888,374.40

Finding the Fourth Proportional to 5,253,827.20, 7,880,740.80 and 1,888,374.40

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Solution

The fourth proportional to 5,253,827.20, 7,880,740.80 and 1,888,374.40 is: 2,832,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253,827.20 : 7,880,740.80 = 1,888,374.40 : x
  2. Step 2: Convert to fraction form
    5,253,827.20/7,880,740.80 = 1,888,374.40/x
  3. Step 3: Cross multiply
    5,253,827.20x = 7,880,740.80 × 1,888,374.40
  4. Step 4: Simplify right side
    5,253,827.20x = 14,881,789,179,755.52
  5. Step 5: Solve for x
    x = 14,881,789,179,755.52/5,253,827.20
  6. Step 6: Final answer
    x = 2,832,561.60

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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.