Home / 1,888,405.13-2,833,445.00-989,633.18

Finding the Fourth Proportional to 1,888,405.13, 2,833,445.00 and 989,633.18

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Solution

The fourth proportional to 1,888,405.13, 2,833,445.00 and 989,633.18 is: 1,484,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,405.13 : 2,833,445.00 = 989,633.18 : x
  2. Step 2: Convert to fraction form
    1,888,405.13/2,833,445.00 = 989,633.18/x
  3. Step 3: Cross multiply
    1,888,405.13x = 2,833,445.00 × 989,633.18
  4. Step 4: Simplify right side
    1,888,405.13x = 2,804,071,195,262.80
  5. Step 5: Solve for x
    x = 2,804,071,195,262.80/1,888,405.13
  6. Step 6: Final answer
    x = 1,484,888.57

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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.