Home / 1,989,959-2,746,217.54-1,130,664.80

Finding the Fourth Proportional to 1,989,959, 2,746,217.54 and 1,130,664.80

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Solution

The fourth proportional to 1,989,959, 2,746,217.54 and 1,130,664.80 is: 1,560,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,959 : 2,746,217.54 = 1,130,664.80 : x
  2. Step 2: Convert to fraction form
    1,989,959/2,746,217.54 = 1,130,664.80/x
  3. Step 3: Cross multiply
    1,989,959x = 2,746,217.54 × 1,130,664.80
  4. Step 4: Simplify right side
    1,989,959x = 3,105,051,505,620.59
  5. Step 5: Solve for x
    x = 3,105,051,505,620.59/1,989,959
  6. Step 6: Final answer
    x = 1,560,359.54

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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.