Home / 2,912,484.47-4,368,724.40-782,568.59

Finding the Fourth Proportional to 2,912,484.47, 4,368,724.40 and 782,568.59

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Solution

The fourth proportional to 2,912,484.47, 4,368,724.40 and 782,568.59 is: 1,173,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,484.47 : 4,368,724.40 = 782,568.59 : x
  2. Step 2: Convert to fraction form
    2,912,484.47/4,368,724.40 = 782,568.59/x
  3. Step 3: Cross multiply
    2,912,484.47x = 4,368,724.40 × 782,568.59
  4. Step 4: Simplify right side
    2,912,484.47x = 3,418,826,473,919.40
  5. Step 5: Solve for x
    x = 3,418,826,473,919.40/2,912,484.47
  6. Step 6: Final answer
    x = 1,173,852.26

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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.