Home / 2,289,381.45-3,159,358.61-1,430,439.90

Finding the Fourth Proportional to 2,289,381.45, 3,159,358.61 and 1,430,439.90

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Solution

The fourth proportional to 2,289,381.45, 3,159,358.61 and 1,430,439.90 is: 1,974,014.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,381.45 : 3,159,358.61 = 1,430,439.90 : x
  2. Step 2: Convert to fraction form
    2,289,381.45/3,159,358.61 = 1,430,439.90/x
  3. Step 3: Cross multiply
    2,289,381.45x = 3,159,358.61 × 1,430,439.90
  4. Step 4: Simplify right side
    2,289,381.45x = 4,519,272,607,000.34
  5. Step 5: Solve for x
    x = 4,519,272,607,000.34/2,289,381.45
  6. Step 6: Final answer
    x = 1,974,014.69

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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.