Home / 3,117,489.13-4,300,911.10-1,810,518.80

Finding the Fourth Proportional to 3,117,489.13, 4,300,911.10 and 1,810,518.80

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Solution

The fourth proportional to 3,117,489.13, 4,300,911.10 and 1,810,518.80 is: 2,497,805.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,489.13 : 4,300,911.10 = 1,810,518.80 : x
  2. Step 2: Convert to fraction form
    3,117,489.13/4,300,911.10 = 1,810,518.80/x
  3. Step 3: Cross multiply
    3,117,489.13x = 4,300,911.10 × 1,810,518.80
  4. Step 4: Simplify right side
    3,117,489.13x = 7,786,880,384,437.27
  5. Step 5: Solve for x
    x = 7,786,880,384,437.27/3,117,489.13
  6. Step 6: Final answer
    x = 2,497,805.14

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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.