Home / 3,180,717.80-4,389,409.65-1,730,423.62

Finding the Fourth Proportional to 3,180,717.80, 4,389,409.65 and 1,730,423.62

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Solution

The fourth proportional to 3,180,717.80, 4,389,409.65 and 1,730,423.62 is: 2,387,994.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,717.80 : 4,389,409.65 = 1,730,423.62 : x
  2. Step 2: Convert to fraction form
    3,180,717.80/4,389,409.65 = 1,730,423.62/x
  3. Step 3: Cross multiply
    3,180,717.80x = 4,389,409.65 × 1,730,423.62
  4. Step 4: Simplify right side
    3,180,717.80x = 7,595,538,136,215.94
  5. Step 5: Solve for x
    x = 7,595,538,136,215.94/3,180,717.80
  6. Step 6: Final answer
    x = 2,387,994.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.