Home / 1,792,169.40-2,688,254.10-1,655,311.80

Finding the Fourth Proportional to 1,792,169.40, 2,688,254.10 and 1,655,311.80

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Solution

The fourth proportional to 1,792,169.40, 2,688,254.10 and 1,655,311.80 is: 2,482,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,169.40 : 2,688,254.10 = 1,655,311.80 : x
  2. Step 2: Convert to fraction form
    1,792,169.40/2,688,254.10 = 1,655,311.80/x
  3. Step 3: Cross multiply
    1,792,169.40x = 2,688,254.10 × 1,655,311.80
  4. Step 4: Simplify right side
    1,792,169.40x = 4,449,898,733,128.38
  5. Step 5: Solve for x
    x = 4,449,898,733,128.38/1,792,169.40
  6. Step 6: Final answer
    x = 2,482,967.70

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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.