Home / 2,172,145.41-3,258,744.51-655,737.63

Finding the Fourth Proportional to 2,172,145.41, 3,258,744.51 and 655,737.63

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Solution

The fourth proportional to 2,172,145.41, 3,258,744.51 and 655,737.63 is: 983,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,145.41 : 3,258,744.51 = 655,737.63 : x
  2. Step 2: Convert to fraction form
    2,172,145.41/3,258,744.51 = 655,737.63/x
  3. Step 3: Cross multiply
    2,172,145.41x = 3,258,744.51 × 655,737.63
  4. Step 4: Simplify right side
    2,172,145.41x = 2,136,881,392,001.64
  5. Step 5: Solve for x
    x = 2,136,881,392,001.64/2,172,145.41
  6. Step 6: Final answer
    x = 983,765.35

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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.