Home / 1,992,810.47-2,989,716.37-572,869.13

Finding the Fourth Proportional to 1,992,810.47, 2,989,716.37 and 572,869.13

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Solution

The fourth proportional to 1,992,810.47, 2,989,716.37 and 572,869.13 is: 859,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,810.47 : 2,989,716.37 = 572,869.13 : x
  2. Step 2: Convert to fraction form
    1,992,810.47/2,989,716.37 = 572,869.13/x
  3. Step 3: Cross multiply
    1,992,810.47x = 2,989,716.37 × 572,869.13
  4. Step 4: Simplify right side
    1,992,810.47x = 1,712,716,199,447.90
  5. Step 5: Solve for x
    x = 1,712,716,199,447.90/1,992,810.47
  6. Step 6: Final answer
    x = 859,447.61

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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.