Home / 3,390,381.56-4,678,811.00-1,841,642.78

Finding the Fourth Proportional to 3,390,381.56, 4,678,811.00 and 1,841,642.78

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Solution

The fourth proportional to 3,390,381.56, 4,678,811.00 and 1,841,642.78 is: 2,541,512.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,381.56 : 4,678,811.00 = 1,841,642.78 : x
  2. Step 2: Convert to fraction form
    3,390,381.56/4,678,811.00 = 1,841,642.78/x
  3. Step 3: Cross multiply
    3,390,381.56x = 4,678,811.00 × 1,841,642.78
  4. Step 4: Simplify right side
    3,390,381.56x = 8,616,698,497,756.78
  5. Step 5: Solve for x
    x = 8,616,698,497,756.78/3,390,381.56
  6. Step 6: Final answer
    x = 2,541,512.91

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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.