Home / 3,420,079.70-5,127,527.55-1,738,390.10

Finding the Fourth Proportional to 3,420,079.70, 5,127,527.55 and 1,738,390.10

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Solution

The fourth proportional to 3,420,079.70, 5,127,527.55 and 1,738,390.10 is: 2,606,267.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,079.70 : 5,127,527.55 = 1,738,390.10 : x
  2. Step 2: Convert to fraction form
    3,420,079.70/5,127,527.55 = 1,738,390.10/x
  3. Step 3: Cross multiply
    3,420,079.70x = 5,127,527.55 × 1,738,390.10
  4. Step 4: Simplify right side
    3,420,079.70x = 8,913,643,130,397.26
  5. Step 5: Solve for x
    x = 8,913,643,130,397.26/3,420,079.70
  6. Step 6: Final answer
    x = 2,606,267.66

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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.