Home / 3,421,983.06-5,131,937.79-1,426,972.50

Finding the Fourth Proportional to 3,421,983.06, 5,131,937.79 and 1,426,972.50

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Solution

The fourth proportional to 3,421,983.06, 5,131,937.79 and 1,426,972.50 is: 2,140,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,983.06 : 5,131,937.79 = 1,426,972.50 : x
  2. Step 2: Convert to fraction form
    3,421,983.06/5,131,937.79 = 1,426,972.50/x
  3. Step 3: Cross multiply
    3,421,983.06x = 5,131,937.79 × 1,426,972.50
  4. Step 4: Simplify right side
    3,421,983.06x = 7,323,134,098,040.78
  5. Step 5: Solve for x
    x = 7,323,134,098,040.78/3,421,983.06
  6. Step 6: Final answer
    x = 2,140,026.40

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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.