Home / 1,657,119.02-2,473,580.92-1,421,972.78

Finding the Fourth Proportional to 1,657,119.02, 2,473,580.92 and 1,421,972.78

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Solution

The fourth proportional to 1,657,119.02, 2,473,580.92 and 1,421,972.78 is: 2,122,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,119.02 : 2,473,580.92 = 1,421,972.78 : x
  2. Step 2: Convert to fraction form
    1,657,119.02/2,473,580.92 = 1,421,972.78/x
  3. Step 3: Cross multiply
    1,657,119.02x = 2,473,580.92 × 1,421,972.78
  4. Step 4: Simplify right side
    1,657,119.02x = 3,517,364,737,367.36
  5. Step 5: Solve for x
    x = 3,517,364,737,367.36/1,657,119.02
  6. Step 6: Final answer
    x = 2,122,578.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.