Home / 2,118,598.48-3,176,898.84-769,810

Finding the Fourth Proportional to 2,118,598.48, 3,176,898.84 and 769,810

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Solution

The fourth proportional to 2,118,598.48, 3,176,898.84 and 769,810 is: 1,154,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,598.48 : 3,176,898.84 = 769,810 : x
  2. Step 2: Convert to fraction form
    2,118,598.48/3,176,898.84 = 769,810/x
  3. Step 3: Cross multiply
    2,118,598.48x = 3,176,898.84 × 769,810
  4. Step 4: Simplify right side
    2,118,598.48x = 2,445,608,496,020.40
  5. Step 5: Solve for x
    x = 2,445,608,496,020.40/2,118,598.48
  6. Step 6: Final answer
    x = 1,154,352.05

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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.