Home / 3,390,528.38-4,678,995.41-1,862,693.42

Finding the Fourth Proportional to 3,390,528.38, 4,678,995.41 and 1,862,693.42

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Solution

The fourth proportional to 3,390,528.38, 4,678,995.41 and 1,862,693.42 is: 2,570,553.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,528.38 : 4,678,995.41 = 1,862,693.42 : x
  2. Step 2: Convert to fraction form
    3,390,528.38/4,678,995.41 = 1,862,693.42/x
  3. Step 3: Cross multiply
    3,390,528.38x = 4,678,995.41 × 1,862,693.42
  4. Step 4: Simplify right side
    3,390,528.38x = 8,715,533,962,417.20
  5. Step 5: Solve for x
    x = 8,715,533,962,417.20/3,390,528.38
  6. Step 6: Final answer
    x = 2,570,553.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.