Home / 2,389,456.80-3,578,280.30-1,586,390.40

Finding the Fourth Proportional to 2,389,456.80, 3,578,280.30 and 1,586,390.40

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Solution

The fourth proportional to 2,389,456.80, 3,578,280.30 and 1,586,390.40 is: 2,375,665.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,456.80 : 3,578,280.30 = 1,586,390.40 : x
  2. Step 2: Convert to fraction form
    2,389,456.80/3,578,280.30 = 1,586,390.40/x
  3. Step 3: Cross multiply
    2,389,456.80x = 3,578,280.30 × 1,586,390.40
  4. Step 4: Simplify right side
    2,389,456.80x = 5,676,549,516,429.12
  5. Step 5: Solve for x
    x = 5,676,549,516,429.12/2,389,456.80
  6. Step 6: Final answer
    x = 2,375,665.26

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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.