Home / 2,175,195.34-3,001,686.12-1,208,386.42

Finding the Fourth Proportional to 2,175,195.34, 3,001,686.12 and 1,208,386.42

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Solution

The fourth proportional to 2,175,195.34, 3,001,686.12 and 1,208,386.42 is: 1,667,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,195.34 : 3,001,686.12 = 1,208,386.42 : x
  2. Step 2: Convert to fraction form
    2,175,195.34/3,001,686.12 = 1,208,386.42/x
  3. Step 3: Cross multiply
    2,175,195.34x = 3,001,686.12 × 1,208,386.42
  4. Step 4: Simplify right side
    2,175,195.34x = 3,627,196,744,510.49
  5. Step 5: Solve for x
    x = 3,627,196,744,510.49/2,175,195.34
  6. Step 6: Final answer
    x = 1,667,526.90

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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.