Home / 1,866,280.80-2,799,421.20-1,835,176.80

Finding the Fourth Proportional to 1,866,280.80, 2,799,421.20 and 1,835,176.80

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Solution

The fourth proportional to 1,866,280.80, 2,799,421.20 and 1,835,176.80 is: 2,752,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,280.80 : 2,799,421.20 = 1,835,176.80 : x
  2. Step 2: Convert to fraction form
    1,866,280.80/2,799,421.20 = 1,835,176.80/x
  3. Step 3: Cross multiply
    1,866,280.80x = 2,799,421.20 × 1,835,176.80
  4. Step 4: Simplify right side
    1,866,280.80x = 5,137,432,839,668.16
  5. Step 5: Solve for x
    x = 5,137,432,839,668.16/1,866,280.80
  6. Step 6: Final answer
    x = 2,752,765.20

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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.