Home / 2,126,423.07-3,189,646.22-528,986.16

Finding the Fourth Proportional to 2,126,423.07, 3,189,646.22 and 528,986.16

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Solution

The fourth proportional to 2,126,423.07, 3,189,646.22 and 528,986.16 is: 793,482.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,423.07 : 3,189,646.22 = 528,986.16 : x
  2. Step 2: Convert to fraction form
    2,126,423.07/3,189,646.22 = 528,986.16/x
  3. Step 3: Cross multiply
    2,126,423.07x = 3,189,646.22 × 528,986.16
  4. Step 4: Simplify right side
    2,126,423.07x = 1,687,278,703,031.38
  5. Step 5: Solve for x
    x = 1,687,278,703,031.38/2,126,423.07
  6. Step 6: Final answer
    x = 793,482.13

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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.