Home / 3,730,827.60-5,148,541.80-2,121,195.60

Finding the Fourth Proportional to 3,730,827.60, 5,148,541.80 and 2,121,195.60

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Solution

The fourth proportional to 3,730,827.60, 5,148,541.80 and 2,121,195.60 is: 2,927,249.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730,827.60 : 5,148,541.80 = 2,121,195.60 : x
  2. Step 2: Convert to fraction form
    3,730,827.60/5,148,541.80 = 2,121,195.60/x
  3. Step 3: Cross multiply
    3,730,827.60x = 5,148,541.80 × 2,121,195.60
  4. Step 4: Simplify right side
    3,730,827.60x = 10,921,064,212,576.08
  5. Step 5: Solve for x
    x = 10,921,064,212,576.08/3,730,827.60
  6. Step 6: Final answer
    x = 2,927,249.76

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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.