Home / 2,864,368.64-3,952,930.24-1,575,308.72

Finding the Fourth Proportional to 2,864,368.64, 3,952,930.24 and 1,575,308.72

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Solution

The fourth proportional to 2,864,368.64, 3,952,930.24 and 1,575,308.72 is: 2,173,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864,368.64 : 3,952,930.24 = 1,575,308.72 : x
  2. Step 2: Convert to fraction form
    2,864,368.64/3,952,930.24 = 1,575,308.72/x
  3. Step 3: Cross multiply
    2,864,368.64x = 3,952,930.24 × 1,575,308.72
  4. Step 4: Simplify right side
    2,864,368.64x = 6,227,085,476,623.69
  5. Step 5: Solve for x
    x = 6,227,085,476,623.69/2,864,368.64
  6. Step 6: Final answer
    x = 2,173,981.86

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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.