Home / 2,746,890.40-4,119,946.80-853,823.20

Finding the Fourth Proportional to 2,746,890.40, 4,119,946.80 and 853,823.20

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Solution

The fourth proportional to 2,746,890.40, 4,119,946.80 and 853,823.20 is: 1,280,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746,890.40 : 4,119,946.80 = 853,823.20 : x
  2. Step 2: Convert to fraction form
    2,746,890.40/4,119,946.80 = 853,823.20/x
  3. Step 3: Cross multiply
    2,746,890.40x = 4,119,946.80 × 853,823.20
  4. Step 4: Simplify right side
    2,746,890.40x = 3,517,706,160,605.76
  5. Step 5: Solve for x
    x = 3,517,706,160,605.76/2,746,890.40
  6. Step 6: Final answer
    x = 1,280,613.95

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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.