Home / 2,805,520.06-3,871,619.35-1,565,130.40

Finding the Fourth Proportional to 2,805,520.06, 3,871,619.35 and 1,565,130.40

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Solution

The fourth proportional to 2,805,520.06, 3,871,619.35 and 1,565,130.40 is: 2,159,880.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805,520.06 : 3,871,619.35 = 1,565,130.40 : x
  2. Step 2: Convert to fraction form
    2,805,520.06/3,871,619.35 = 1,565,130.40/x
  3. Step 3: Cross multiply
    2,805,520.06x = 3,871,619.35 × 1,565,130.40
  4. Step 4: Simplify right side
    2,805,520.06x = 6,059,589,114,729.49
  5. Step 5: Solve for x
    x = 6,059,589,114,729.49/2,805,520.06
  6. Step 6: Final answer
    x = 2,159,880.87

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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.