Home / 4,680,478.40-7,020,717.60-2,285,859.20

Finding the Fourth Proportional to 4,680,478.40, 7,020,717.60 and 2,285,859.20

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Solution

The fourth proportional to 4,680,478.40, 7,020,717.60 and 2,285,859.20 is: 3,428,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,478.40 : 7,020,717.60 = 2,285,859.20 : x
  2. Step 2: Convert to fraction form
    4,680,478.40/7,020,717.60 = 2,285,859.20/x
  3. Step 3: Cross multiply
    4,680,478.40x = 7,020,717.60 × 2,285,859.20
  4. Step 4: Simplify right side
    4,680,478.40x = 16,048,371,916,561.92
  5. Step 5: Solve for x
    x = 16,048,371,916,561.92/4,680,478.40
  6. Step 6: Final answer
    x = 3,428,788.80

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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.