Home / 1,815,962.63-2,506,142.19-1,000,166.13

Finding the Fourth Proportional to 1,815,962.63, 2,506,142.19 and 1,000,166.13

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Solution

The fourth proportional to 1,815,962.63, 2,506,142.19 and 1,000,166.13 is: 1,380,291.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,962.63 : 2,506,142.19 = 1,000,166.13 : x
  2. Step 2: Convert to fraction form
    1,815,962.63/2,506,142.19 = 1,000,166.13/x
  3. Step 3: Cross multiply
    1,815,962.63x = 2,506,142.19 × 1,000,166.13
  4. Step 4: Simplify right side
    1,815,962.63x = 2,506,558,535,402.02
  5. Step 5: Solve for x
    x = 2,506,558,535,402.02/1,815,962.63
  6. Step 6: Final answer
    x = 1,380,291.92

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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.