Home / 3,389,124.91-4,675,262.96-2,164,142.47

Finding the Fourth Proportional to 3,389,124.91, 4,675,262.96 and 2,164,142.47

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Solution

The fourth proportional to 3,389,124.91, 4,675,262.96 and 2,164,142.47 is: 2,985,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389,124.91 : 4,675,262.96 = 2,164,142.47 : x
  2. Step 2: Convert to fraction form
    3,389,124.91/4,675,262.96 = 2,164,142.47/x
  3. Step 3: Cross multiply
    3,389,124.91x = 4,675,262.96 × 2,164,142.47
  4. Step 4: Simplify right side
    3,389,124.91x = 10,117,935,130,153.91
  5. Step 5: Solve for x
    x = 10,117,935,130,153.91/3,389,124.91
  6. Step 6: Final answer
    x = 2,985,412.28

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1.5x scale

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.