Home / 1,620,100.87-2,427,488.62-554,561.66

Finding the Fourth Proportional to 1,620,100.87, 2,427,488.62 and 554,561.66

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Solution

The fourth proportional to 1,620,100.87, 2,427,488.62 and 554,561.66 is: 830,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,100.87 : 2,427,488.62 = 554,561.66 : x
  2. Step 2: Convert to fraction form
    1,620,100.87/2,427,488.62 = 554,561.66/x
  3. Step 3: Cross multiply
    1,620,100.87x = 2,427,488.62 × 554,561.66
  4. Step 4: Simplify right side
    1,620,100.87x = 1,346,192,123,420.63
  5. Step 5: Solve for x
    x = 1,346,192,123,420.63/1,620,100.87
  6. Step 6: Final answer
    x = 830,931.06

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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.