Home / 3,604,947.14-4,974,486.81-2,154,353.78

Finding the Fourth Proportional to 3,604,947.14, 4,974,486.81 and 2,154,353.78

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Solution

The fourth proportional to 3,604,947.14, 4,974,486.81 and 2,154,353.78 is: 2,972,804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604,947.14 : 4,974,486.81 = 2,154,353.78 : x
  2. Step 2: Convert to fraction form
    3,604,947.14/4,974,486.81 = 2,154,353.78/x
  3. Step 3: Cross multiply
    3,604,947.14x = 4,974,486.81 × 2,154,353.78
  4. Step 4: Simplify right side
    3,604,947.14x = 10,716,804,462,683.64
  5. Step 5: Solve for x
    x = 10,716,804,462,683.64/3,604,947.14
  6. Step 6: Final answer
    x = 2,972,804.88

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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.