Home / 5,108,264.40-7,049,459.93-2,785,138.01

Finding the Fourth Proportional to 5,108,264.40, 7,049,459.93 and 2,785,138.01

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Solution

The fourth proportional to 5,108,264.40, 7,049,459.93 and 2,785,138.01 is: 3,843,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108,264.40 : 7,049,459.93 = 2,785,138.01 : x
  2. Step 2: Convert to fraction form
    5,108,264.40/7,049,459.93 = 2,785,138.01/x
  3. Step 3: Cross multiply
    5,108,264.40x = 7,049,459.93 × 2,785,138.01
  4. Step 4: Simplify right side
    5,108,264.40x = 19,633,718,751,841.95
  5. Step 5: Solve for x
    x = 19,633,718,751,841.95/5,108,264.40
  6. Step 6: Final answer
    x = 3,843,520.46

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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.