Home / 1,637,618.40-2,456,427.60-1,371,897.90

Finding the Fourth Proportional to 1,637,618.40, 2,456,427.60 and 1,371,897.90

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Solution

The fourth proportional to 1,637,618.40, 2,456,427.60 and 1,371,897.90 is: 2,057,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,618.40 : 2,456,427.60 = 1,371,897.90 : x
  2. Step 2: Convert to fraction form
    1,637,618.40/2,456,427.60 = 1,371,897.90/x
  3. Step 3: Cross multiply
    1,637,618.40x = 2,456,427.60 × 1,371,897.90
  4. Step 4: Simplify right side
    1,637,618.40x = 3,369,967,865,942.04
  5. Step 5: Solve for x
    x = 3,369,967,865,942.04/1,637,618.40
  6. Step 6: Final answer
    x = 2,057,846.85

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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.