Home / 1,658,637.15-2,288,992.95-933,531.90

Finding the Fourth Proportional to 1,658,637.15, 2,288,992.95 and 933,531.90

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Solution

The fourth proportional to 1,658,637.15, 2,288,992.95 and 933,531.90 is: 1,288,315.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,637.15 : 2,288,992.95 = 933,531.90 : x
  2. Step 2: Convert to fraction form
    1,658,637.15/2,288,992.95 = 933,531.90/x
  3. Step 3: Cross multiply
    1,658,637.15x = 2,288,992.95 × 933,531.90
  4. Step 4: Simplify right side
    1,658,637.15x = 2,136,847,937,700.11
  5. Step 5: Solve for x
    x = 2,136,847,937,700.11/1,658,637.15
  6. Step 6: Final answer
    x = 1,288,315.49

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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.