Home / 2,140,497.92-2,954,019.84-1,186,641.92

Finding the Fourth Proportional to 2,140,497.92, 2,954,019.84 and 1,186,641.92

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Solution

The fourth proportional to 2,140,497.92, 2,954,019.84 and 1,186,641.92 is: 1,637,639.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,497.92 : 2,954,019.84 = 1,186,641.92 : x
  2. Step 2: Convert to fraction form
    2,140,497.92/2,954,019.84 = 1,186,641.92/x
  3. Step 3: Cross multiply
    2,140,497.92x = 2,954,019.84 × 1,186,641.92
  4. Step 4: Simplify right side
    2,140,497.92x = 3,505,363,774,655.69
  5. Step 5: Solve for x
    x = 3,505,363,774,655.69/2,140,497.92
  6. Step 6: Final answer
    x = 1,637,639.42

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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.