Home / 1,868,500.95-2,578,531.35-1,009,061.21

Finding the Fourth Proportional to 1,868,500.95, 2,578,531.35 and 1,009,061.21

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Solution

The fourth proportional to 1,868,500.95, 2,578,531.35 and 1,009,061.21 is: 1,392,504.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,500.95 : 2,578,531.35 = 1,009,061.21 : x
  2. Step 2: Convert to fraction form
    1,868,500.95/2,578,531.35 = 1,009,061.21/x
  3. Step 3: Cross multiply
    1,868,500.95x = 2,578,531.35 × 1,009,061.21
  4. Step 4: Simplify right side
    1,868,500.95x = 2,601,895,951,161.28
  5. Step 5: Solve for x
    x = 2,601,895,951,161.28/1,868,500.95
  6. Step 6: Final answer
    x = 1,392,504.48

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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.