Home / 1,661,512.80-2,492,269.20-1,395,792.30

Finding the Fourth Proportional to 1,661,512.80, 2,492,269.20 and 1,395,792.30

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Solution

The fourth proportional to 1,661,512.80, 2,492,269.20 and 1,395,792.30 is: 2,093,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,512.80 : 2,492,269.20 = 1,395,792.30 : x
  2. Step 2: Convert to fraction form
    1,661,512.80/2,492,269.20 = 1,395,792.30/x
  3. Step 3: Cross multiply
    1,661,512.80x = 2,492,269.20 × 1,395,792.30
  4. Step 4: Simplify right side
    1,661,512.80x = 3,478,690,158,887.16
  5. Step 5: Solve for x
    x = 3,478,690,158,887.16/1,661,512.80
  6. Step 6: Final answer
    x = 2,093,688.45

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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.