Home / 1,516,016.40-2,091,864.30-871,312.10

Finding the Fourth Proportional to 1,516,016.40, 2,091,864.30 and 871,312.10

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Solution

The fourth proportional to 1,516,016.40, 2,091,864.30 and 871,312.10 is: 1,202,273.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,016.40 : 2,091,864.30 = 871,312.10 : x
  2. Step 2: Convert to fraction form
    1,516,016.40/2,091,864.30 = 871,312.10/x
  3. Step 3: Cross multiply
    1,516,016.40x = 2,091,864.30 × 871,312.10
  4. Step 4: Simplify right side
    1,516,016.40x = 1,822,666,676,148.03
  5. Step 5: Solve for x
    x = 1,822,666,676,148.03/1,516,016.40
  6. Step 6: Final answer
    x = 1,202,273.72

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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.