Home / 2,129,402.34-3,191,445.30-1,064,748.87

Finding the Fourth Proportional to 2,129,402.34, 3,191,445.30 and 1,064,748.87

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Solution

The fourth proportional to 2,129,402.34, 3,191,445.30 and 1,064,748.87 is: 1,595,794.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,402.34 : 3,191,445.30 = 1,064,748.87 : x
  2. Step 2: Convert to fraction form
    2,129,402.34/3,191,445.30 = 1,064,748.87/x
  3. Step 3: Cross multiply
    2,129,402.34x = 3,191,445.30 × 1,064,748.87
  4. Step 4: Simplify right side
    2,129,402.34x = 3,398,087,776,841.81
  5. Step 5: Solve for x
    x = 3,398,087,776,841.81/2,129,402.34
  6. Step 6: Final answer
    x = 1,595,794.14

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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.