Home / 1,947,671.90-2,934,802.11-1,600,463.78

Finding the Fourth Proportional to 1,947,671.90, 2,934,802.11 and 1,600,463.78

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Solution

The fourth proportional to 1,947,671.90, 2,934,802.11 and 1,600,463.78 is: 2,411,619.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,671.90 : 2,934,802.11 = 1,600,463.78 : x
  2. Step 2: Convert to fraction form
    1,947,671.90/2,934,802.11 = 1,600,463.78/x
  3. Step 3: Cross multiply
    1,947,671.90x = 2,934,802.11 × 1,600,463.78
  4. Step 4: Simplify right side
    1,947,671.90x = 4,697,044,463,848.56
  5. Step 5: Solve for x
    x = 4,697,044,463,848.56/1,947,671.90
  6. Step 6: Final answer
    x = 2,411,619.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.