Home / 1,943,106.40-2,913,622.80-819,906.40

Finding the Fourth Proportional to 1,943,106.40, 2,913,622.80 and 819,906.40

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Solution

The fourth proportional to 1,943,106.40, 2,913,622.80 and 819,906.40 is: 1,229,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,106.40 : 2,913,622.80 = 819,906.40 : x
  2. Step 2: Convert to fraction form
    1,943,106.40/2,913,622.80 = 819,906.40/x
  3. Step 3: Cross multiply
    1,943,106.40x = 2,913,622.80 × 819,906.40
  4. Step 4: Simplify right side
    1,943,106.40x = 2,388,897,980,905.92
  5. Step 5: Solve for x
    x = 2,388,897,980,905.92/1,943,106.40
  6. Step 6: Final answer
    x = 1,229,422.12

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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.