Home / 1,989,966-2,746,227.24-1,130,671.80

Finding the Fourth Proportional to 1,989,966, 2,746,227.24 and 1,130,671.80

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Solution

The fourth proportional to 1,989,966, 2,746,227.24 and 1,130,671.80 is: 1,560,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,966 : 2,746,227.24 = 1,130,671.80 : x
  2. Step 2: Convert to fraction form
    1,989,966/2,746,227.24 = 1,130,671.80/x
  3. Step 3: Cross multiply
    1,989,966x = 2,746,227.24 × 1,130,671.80
  4. Step 4: Simplify right side
    1,989,966x = 3,105,081,696,659.83
  5. Step 5: Solve for x
    x = 3,105,081,696,659.83/1,989,966
  6. Step 6: Final answer
    x = 1,560,369.22

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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.