Home / 2,989,206.18-4,125,667.05-1,872,112.59

Finding the Fourth Proportional to 2,989,206.18, 4,125,667.05 and 1,872,112.59

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Solution

The fourth proportional to 2,989,206.18, 4,125,667.05 and 1,872,112.59 is: 2,583,867.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,206.18 : 4,125,667.05 = 1,872,112.59 : x
  2. Step 2: Convert to fraction form
    2,989,206.18/4,125,667.05 = 1,872,112.59/x
  3. Step 3: Cross multiply
    2,989,206.18x = 4,125,667.05 × 1,872,112.59
  4. Step 4: Simplify right side
    2,989,206.18x = 7,723,713,226,453.16
  5. Step 5: Solve for x
    x = 7,723,713,226,453.16/2,989,206.18
  6. Step 6: Final answer
    x = 2,583,867.68

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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.