Home / 2,916,218.70-4,374,328.05-2,798,120.70

Finding the Fourth Proportional to 2,916,218.70, 4,374,328.05 and 2,798,120.70

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Solution

The fourth proportional to 2,916,218.70, 4,374,328.05 and 2,798,120.70 is: 4,197,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,218.70 : 4,374,328.05 = 2,798,120.70 : x
  2. Step 2: Convert to fraction form
    2,916,218.70/4,374,328.05 = 2,798,120.70/x
  3. Step 3: Cross multiply
    2,916,218.70x = 4,374,328.05 × 2,798,120.70
  4. Step 4: Simplify right side
    2,916,218.70x = 12,239,897,865,295.63
  5. Step 5: Solve for x
    x = 12,239,897,865,295.63/2,916,218.70
  6. Step 6: Final answer
    x = 4,197,181.05

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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.