Home / 5,281,259.70-7,288,111.17-2,866,811.70

Finding the Fourth Proportional to 5,281,259.70, 7,288,111.17 and 2,866,811.70

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Solution

The fourth proportional to 5,281,259.70, 7,288,111.17 and 2,866,811.70 is: 3,956,185.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281,259.70 : 7,288,111.17 = 2,866,811.70 : x
  2. Step 2: Convert to fraction form
    5,281,259.70/7,288,111.17 = 2,866,811.70/x
  3. Step 3: Cross multiply
    5,281,259.70x = 7,288,111.17 × 2,866,811.70
  4. Step 4: Simplify right side
    5,281,259.70x = 20,893,642,373,056.69
  5. Step 5: Solve for x
    x = 20,893,642,373,056.69/5,281,259.70
  6. Step 6: Final answer
    x = 3,956,185.37

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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.