Home / 2,115,284.90-2,919,273.89-1,197,675.72

Finding the Fourth Proportional to 2,115,284.90, 2,919,273.89 and 1,197,675.72

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Solution

The fourth proportional to 2,115,284.90, 2,919,273.89 and 1,197,675.72 is: 1,652,894.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,284.90 : 2,919,273.89 = 1,197,675.72 : x
  2. Step 2: Convert to fraction form
    2,115,284.90/2,919,273.89 = 1,197,675.72/x
  3. Step 3: Cross multiply
    2,115,284.90x = 2,919,273.89 × 1,197,675.72
  4. Step 4: Simplify right side
    2,115,284.90x = 3,496,343,452,094.57
  5. Step 5: Solve for x
    x = 3,496,343,452,094.57/2,115,284.90
  6. Step 6: Final answer
    x = 1,652,894.82

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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.