Home / 2,117,689.65-2,922,409.19-1,150,817.76

Finding the Fourth Proportional to 2,117,689.65, 2,922,409.19 and 1,150,817.76

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Solution

The fourth proportional to 2,117,689.65, 2,922,409.19 and 1,150,817.76 is: 1,588,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,689.65 : 2,922,409.19 = 1,150,817.76 : x
  2. Step 2: Convert to fraction form
    2,117,689.65/2,922,409.19 = 1,150,817.76/x
  3. Step 3: Cross multiply
    2,117,689.65x = 2,922,409.19 × 1,150,817.76
  4. Step 4: Simplify right side
    2,117,689.65x = 3,363,160,392,085.13
  5. Step 5: Solve for x
    x = 3,363,160,392,085.13/2,117,689.65
  6. Step 6: Final answer
    x = 1,588,127.13

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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.