Home / 3,886,278.80-5,841,859.80-2,772,064.40

Finding the Fourth Proportional to 3,886,278.80, 5,841,859.80 and 2,772,064.40

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Solution

The fourth proportional to 3,886,278.80, 5,841,859.80 and 2,772,064.40 is: 4,166,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,278.80 : 5,841,859.80 = 2,772,064.40 : x
  2. Step 2: Convert to fraction form
    3,886,278.80/5,841,859.80 = 2,772,064.40/x
  3. Step 3: Cross multiply
    3,886,278.80x = 5,841,859.80 × 2,772,064.40
  4. Step 4: Simplify right side
    3,886,278.80x = 16,194,011,581,371.12
  5. Step 5: Solve for x
    x = 16,194,011,581,371.12/3,886,278.80
  6. Step 6: Final answer
    x = 4,166,971.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.