Home / 3,109,787.40-4,666,754.70-1,426,024.20

Finding the Fourth Proportional to 3,109,787.40, 4,666,754.70 and 1,426,024.20

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Solution

The fourth proportional to 3,109,787.40, 4,666,754.70 and 1,426,024.20 is: 2,139,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,787.40 : 4,666,754.70 = 1,426,024.20 : x
  2. Step 2: Convert to fraction form
    3,109,787.40/4,666,754.70 = 1,426,024.20/x
  3. Step 3: Cross multiply
    3,109,787.40x = 4,666,754.70 × 1,426,024.20
  4. Step 4: Simplify right side
    3,109,787.40x = 6,654,905,137,663.74
  5. Step 5: Solve for x
    x = 6,654,905,137,663.74/3,109,787.40
  6. Step 6: Final answer
    x = 2,139,987.17

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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.