Home / 2,926,378.95-4,389,989.02-904,780.49

Finding the Fourth Proportional to 2,926,378.95, 4,389,989.02 and 904,780.49

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Solution

The fourth proportional to 2,926,378.95, 4,389,989.02 and 904,780.49 is: 1,357,300.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926,378.95 : 4,389,989.02 = 904,780.49 : x
  2. Step 2: Convert to fraction form
    2,926,378.95/4,389,989.02 = 904,780.49/x
  3. Step 3: Cross multiply
    2,926,378.95x = 4,389,989.02 × 904,780.49
  4. Step 4: Simplify right side
    2,926,378.95x = 3,971,976,416,610.22
  5. Step 5: Solve for x
    x = 3,971,976,416,610.22/2,926,378.95
  6. Step 6: Final answer
    x = 1,357,300.78

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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.