Home / 1,989,960-2,746,218.92-1,130,665.80

Finding the Fourth Proportional to 1,989,960, 2,746,218.92 and 1,130,665.80

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Solution

The fourth proportional to 1,989,960, 2,746,218.92 and 1,130,665.80 is: 1,560,360.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,960 : 2,746,218.92 = 1,130,665.80 : x
  2. Step 2: Convert to fraction form
    1,989,960/2,746,218.92 = 1,130,665.80/x
  3. Step 3: Cross multiply
    1,989,960x = 2,746,218.92 × 1,130,665.80
  4. Step 4: Simplify right side
    1,989,960x = 3,105,055,812,156.94
  5. Step 5: Solve for x
    x = 3,105,055,812,156.94/1,989,960
  6. Step 6: Final answer
    x = 1,560,360.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.