Home / 3,128,641.16-4,317,524.34-1,697,857.16

Finding the Fourth Proportional to 3,128,641.16, 4,317,524.34 and 1,697,857.16

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Solution

The fourth proportional to 3,128,641.16, 4,317,524.34 and 1,697,857.16 is: 2,343,042.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,641.16 : 4,317,524.34 = 1,697,857.16 : x
  2. Step 2: Convert to fraction form
    3,128,641.16/4,317,524.34 = 1,697,857.16/x
  3. Step 3: Cross multiply
    3,128,641.16x = 4,317,524.34 × 1,697,857.16
  4. Step 4: Simplify right side
    3,128,641.16x = 7,330,539,614,143.27
  5. Step 5: Solve for x
    x = 7,330,539,614,143.27/3,128,641.16
  6. Step 6: Final answer
    x = 2,343,042.63

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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.