Home / 2,666,347.20-4,000,154.40-869,242.56

Finding the Fourth Proportional to 2,666,347.20, 4,000,154.40 and 869,242.56

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Solution

The fourth proportional to 2,666,347.20, 4,000,154.40 and 869,242.56 is: 1,304,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,347.20 : 4,000,154.40 = 869,242.56 : x
  2. Step 2: Convert to fraction form
    2,666,347.20/4,000,154.40 = 869,242.56/x
  3. Step 3: Cross multiply
    2,666,347.20x = 4,000,154.40 × 869,242.56
  4. Step 4: Simplify right side
    2,666,347.20x = 3,477,104,451,051.26
  5. Step 5: Solve for x
    x = 3,477,104,451,051.26/2,666,347.20
  6. Step 6: Final answer
    x = 1,304,070.40

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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.