Home / 1,947,871.66-2,688,329.92-1,120,928.22

Finding the Fourth Proportional to 1,947,871.66, 2,688,329.92 and 1,120,928.22

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Solution

The fourth proportional to 1,947,871.66, 2,688,329.92 and 1,120,928.22 is: 1,547,034.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,871.66 : 2,688,329.92 = 1,120,928.22 : x
  2. Step 2: Convert to fraction form
    1,947,871.66/2,688,329.92 = 1,120,928.22/x
  3. Step 3: Cross multiply
    1,947,871.66x = 2,688,329.92 × 1,120,928.22
  4. Step 4: Simplify right side
    1,947,871.66x = 3,013,424,871,998.34
  5. Step 5: Solve for x
    x = 3,013,424,871,998.34/1,947,871.66
  6. Step 6: Final answer
    x = 1,547,034.61

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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.