Home / 2,109,248.72-3,163,220.09-761,240.71

Finding the Fourth Proportional to 2,109,248.72, 3,163,220.09 and 761,240.71

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Solution

The fourth proportional to 2,109,248.72, 3,163,220.09 and 761,240.71 is: 1,141,625.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,248.72 : 3,163,220.09 = 761,240.71 : x
  2. Step 2: Convert to fraction form
    2,109,248.72/3,163,220.09 = 761,240.71/x
  3. Step 3: Cross multiply
    2,109,248.72x = 3,163,220.09 × 761,240.71
  4. Step 4: Simplify right side
    2,109,248.72x = 2,407,971,895,483.61
  5. Step 5: Solve for x
    x = 2,407,971,895,483.61/2,109,248.72
  6. Step 6: Final answer
    x = 1,141,625.39

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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.