Home / 2,165,869.02-2,988,802.34-1,198,930.98

Finding the Fourth Proportional to 2,165,869.02, 2,988,802.34 and 1,198,930.98

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Solution

The fourth proportional to 2,165,869.02, 2,988,802.34 and 1,198,930.98 is: 1,654,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,869.02 : 2,988,802.34 = 1,198,930.98 : x
  2. Step 2: Convert to fraction form
    2,165,869.02/2,988,802.34 = 1,198,930.98/x
  3. Step 3: Cross multiply
    2,165,869.02x = 2,988,802.34 × 1,198,930.98
  4. Step 4: Simplify right side
    2,165,869.02x = 3,583,367,718,522.49
  5. Step 5: Solve for x
    x = 3,583,367,718,522.49/2,165,869.02
  6. Step 6: Final answer
    x = 1,654,471.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.