Home / 2,918,124.80-4,376,572.80-1,235,283.20

Finding the Fourth Proportional to 2,918,124.80, 4,376,572.80 and 1,235,283.20

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Solution

The fourth proportional to 2,918,124.80, 4,376,572.80 and 1,235,283.20 is: 1,852,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,124.80 : 4,376,572.80 = 1,235,283.20 : x
  2. Step 2: Convert to fraction form
    2,918,124.80/4,376,572.80 = 1,235,283.20/x
  3. Step 3: Cross multiply
    2,918,124.80x = 4,376,572.80 × 1,235,283.20
  4. Step 4: Simplify right side
    2,918,124.80x = 5,406,306,853,416.96
  5. Step 5: Solve for x
    x = 5,406,306,853,416.96/2,918,124.80
  6. Step 6: Final answer
    x = 1,852,664.72

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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.