Home / 2,778,508.62-3,830,666.31-2,003,490.90

Finding the Fourth Proportional to 2,778,508.62, 3,830,666.31 and 2,003,490.90

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Solution

The fourth proportional to 2,778,508.62, 3,830,666.31 and 2,003,490.90 is: 2,762,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,508.62 : 3,830,666.31 = 2,003,490.90 : x
  2. Step 2: Convert to fraction form
    2,778,508.62/3,830,666.31 = 2,003,490.90/x
  3. Step 3: Cross multiply
    2,778,508.62x = 3,830,666.31 × 2,003,490.90
  4. Step 4: Simplify right side
    2,778,508.62x = 7,674,705,093,021.58
  5. Step 5: Solve for x
    x = 7,674,705,093,021.58/2,778,508.62
  6. Step 6: Final answer
    x = 2,762,167.10

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1.5x scale

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.