Home / 1,928,346.48-2,891,352.96-863,190

Finding the Fourth Proportional to 1,928,346.48, 2,891,352.96 and 863,190

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Solution

The fourth proportional to 1,928,346.48, 2,891,352.96 and 863,190 is: 1,294,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,346.48 : 2,891,352.96 = 863,190 : x
  2. Step 2: Convert to fraction form
    1,928,346.48/2,891,352.96 = 863,190/x
  3. Step 3: Cross multiply
    1,928,346.48x = 2,891,352.96 × 863,190
  4. Step 4: Simplify right side
    1,928,346.48x = 2,495,786,961,542.40
  5. Step 5: Solve for x
    x = 2,495,786,961,542.40/1,928,346.48
  6. Step 6: Final answer
    x = 1,294,262.72

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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.