Home / 1,878,583.56-2,592,446.34-1,019,143.71

Finding the Fourth Proportional to 1,878,583.56, 2,592,446.34 and 1,019,143.71

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Solution

The fourth proportional to 1,878,583.56, 2,592,446.34 and 1,019,143.71 is: 1,406,418.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,583.56 : 2,592,446.34 = 1,019,143.71 : x
  2. Step 2: Convert to fraction form
    1,878,583.56/2,592,446.34 = 1,019,143.71/x
  3. Step 3: Cross multiply
    1,878,583.56x = 2,592,446.34 × 1,019,143.71
  4. Step 4: Simplify right side
    1,878,583.56x = 2,642,075,380,923.52
  5. Step 5: Solve for x
    x = 2,642,075,380,923.52/1,878,583.56
  6. Step 6: Final answer
    x = 1,406,418.88

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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.