Home / 1,943,111.40-2,913,630.30-819,911.40

Finding the Fourth Proportional to 1,943,111.40, 2,913,630.30 and 819,911.40

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Solution

The fourth proportional to 1,943,111.40, 2,913,630.30 and 819,911.40 is: 1,229,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,111.40 : 2,913,630.30 = 819,911.40 : x
  2. Step 2: Convert to fraction form
    1,943,111.40/2,913,630.30 = 819,911.40/x
  3. Step 3: Cross multiply
    1,943,111.40x = 2,913,630.30 × 819,911.40
  4. Step 4: Simplify right side
    1,943,111.40x = 2,388,918,698,355.42
  5. Step 5: Solve for x
    x = 2,388,918,698,355.42/1,943,111.40
  6. Step 6: Final answer
    x = 1,229,429.61

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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.