Home / 1,829,724.21-2,526,279.71-1,399,254.57

Finding the Fourth Proportional to 1,829,724.21, 2,526,279.71 and 1,399,254.57

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Solution

The fourth proportional to 1,829,724.21, 2,526,279.71 and 1,399,254.57 is: 1,931,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829,724.21 : 2,526,279.71 = 1,399,254.57 : x
  2. Step 2: Convert to fraction form
    1,829,724.21/2,526,279.71 = 1,399,254.57/x
  3. Step 3: Cross multiply
    1,829,724.21x = 2,526,279.71 × 1,399,254.57
  4. Step 4: Simplify right side
    1,829,724.21x = 3,534,908,422,319.50
  5. Step 5: Solve for x
    x = 3,534,908,422,319.50/1,829,724.21
  6. Step 6: Final answer
    x = 1,931,935.10

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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.