Home / 2,189,871.60-3,284,807.40-1,588,009.20

Finding the Fourth Proportional to 2,189,871.60, 3,284,807.40 and 1,588,009.20

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Solution

The fourth proportional to 2,189,871.60, 3,284,807.40 and 1,588,009.20 is: 2,382,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,871.60 : 3,284,807.40 = 1,588,009.20 : x
  2. Step 2: Convert to fraction form
    2,189,871.60/3,284,807.40 = 1,588,009.20/x
  3. Step 3: Cross multiply
    2,189,871.60x = 3,284,807.40 × 1,588,009.20
  4. Step 4: Simplify right side
    2,189,871.60x = 5,216,304,371,428.08
  5. Step 5: Solve for x
    x = 5,216,304,371,428.08/2,189,871.60
  6. Step 6: Final answer
    x = 2,382,013.80

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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.