Home / 2,746,890.40-4,120,335.60-853,823.20

Finding the Fourth Proportional to 2,746,890.40, 4,120,335.60 and 853,823.20

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Solution

The fourth proportional to 2,746,890.40, 4,120,335.60 and 853,823.20 is: 1,280,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746,890.40 : 4,120,335.60 = 853,823.20 : x
  2. Step 2: Convert to fraction form
    2,746,890.40/4,120,335.60 = 853,823.20/x
  3. Step 3: Cross multiply
    2,746,890.40x = 4,120,335.60 × 853,823.20
  4. Step 4: Simplify right side
    2,746,890.40x = 3,518,038,127,065.92
  5. Step 5: Solve for x
    x = 3,518,038,127,065.92/2,746,890.40
  6. Step 6: Final answer
    x = 1,280,734.80

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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.