Home / 1,943,114.40-2,913,634.80-819,914.40

Finding the Fourth Proportional to 1,943,114.40, 2,913,634.80 and 819,914.40

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Solution

The fourth proportional to 1,943,114.40, 2,913,634.80 and 819,914.40 is: 1,229,434.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,114.40 : 2,913,634.80 = 819,914.40 : x
  2. Step 2: Convert to fraction form
    1,943,114.40/2,913,634.80 = 819,914.40/x
  3. Step 3: Cross multiply
    1,943,114.40x = 2,913,634.80 × 819,914.40
  4. Step 4: Simplify right side
    1,943,114.40x = 2,388,931,128,861.12
  5. Step 5: Solve for x
    x = 2,388,931,128,861.12/1,943,114.40
  6. Step 6: Final answer
    x = 1,229,434.11

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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.