Home / 2,853,813.20-4,280,719.80-859,269.20

Finding the Fourth Proportional to 2,853,813.20, 4,280,719.80 and 859,269.20

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Solution

The fourth proportional to 2,853,813.20, 4,280,719.80 and 859,269.20 is: 1,288,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853,813.20 : 4,280,719.80 = 859,269.20 : x
  2. Step 2: Convert to fraction form
    2,853,813.20/4,280,719.80 = 859,269.20/x
  3. Step 3: Cross multiply
    2,853,813.20x = 4,280,719.80 × 859,269.20
  4. Step 4: Simplify right side
    2,853,813.20x = 3,678,290,677,970.16
  5. Step 5: Solve for x
    x = 3,678,290,677,970.16/2,853,813.20
  6. Step 6: Final answer
    x = 1,288,903.80

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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.