Home / 2,077,261.80-3,115,601.10-657,461.40

Finding the Fourth Proportional to 2,077,261.80, 3,115,601.10 and 657,461.40

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Solution

The fourth proportional to 2,077,261.80, 3,115,601.10 and 657,461.40 is: 986,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,261.80 : 3,115,601.10 = 657,461.40 : x
  2. Step 2: Convert to fraction form
    2,077,261.80/3,115,601.10 = 657,461.40/x
  3. Step 3: Cross multiply
    2,077,261.80x = 3,115,601.10 × 657,461.40
  4. Step 4: Simplify right side
    2,077,261.80x = 2,048,387,461,047.54
  5. Step 5: Solve for x
    x = 2,048,387,461,047.54/2,077,261.80
  6. Step 6: Final answer
    x = 986,099.81

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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.