Home / 1,980,876.50-2,972,328.13-943,401.50

Finding the Fourth Proportional to 1,980,876.50, 2,972,328.13 and 943,401.50

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Solution

The fourth proportional to 1,980,876.50, 2,972,328.13 and 943,401.50 is: 1,415,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,876.50 : 2,972,328.13 = 943,401.50 : x
  2. Step 2: Convert to fraction form
    1,980,876.50/2,972,328.13 = 943,401.50/x
  3. Step 3: Cross multiply
    1,980,876.50x = 2,972,328.13 × 943,401.50
  4. Step 4: Simplify right side
    1,980,876.50x = 2,804,098,816,334.19
  5. Step 5: Solve for x
    x = 2,804,098,816,334.19/1,980,876.50
  6. Step 6: Final answer
    x = 1,415,584.88

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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.