Home / 3,220,510.74-4,830,655.38-824,376.12

Finding the Fourth Proportional to 3,220,510.74, 4,830,655.38 and 824,376.12

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Solution

The fourth proportional to 3,220,510.74, 4,830,655.38 and 824,376.12 is: 1,236,535.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,510.74 : 4,830,655.38 = 824,376.12 : x
  2. Step 2: Convert to fraction form
    3,220,510.74/4,830,655.38 = 824,376.12/x
  3. Step 3: Cross multiply
    3,220,510.74x = 4,830,655.38 × 824,376.12
  4. Step 4: Simplify right side
    3,220,510.74x = 3,982,276,939,221.53
  5. Step 5: Solve for x
    x = 3,982,276,939,221.53/3,220,510.74
  6. Step 6: Final answer
    x = 1,236,535.84

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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.