Home / 2,638,127.40-3,956,802.30-745,060.20

Finding the Fourth Proportional to 2,638,127.40, 3,956,802.30 and 745,060.20

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Solution

The fourth proportional to 2,638,127.40, 3,956,802.30 and 745,060.20 is: 1,117,480.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,127.40 : 3,956,802.30 = 745,060.20 : x
  2. Step 2: Convert to fraction form
    2,638,127.40/3,956,802.30 = 745,060.20/x
  3. Step 3: Cross multiply
    2,638,127.40x = 3,956,802.30 × 745,060.20
  4. Step 4: Simplify right side
    2,638,127.40x = 2,948,055,912,998.46
  5. Step 5: Solve for x
    x = 2,948,055,912,998.46/2,638,127.40
  6. Step 6: Final answer
    x = 1,117,480.50

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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.