Home / 3,190,259.52-4,402,936.71-1,813,810.86

Finding the Fourth Proportional to 3,190,259.52, 4,402,936.71 and 1,813,810.86

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Solution

The fourth proportional to 3,190,259.52, 4,402,936.71 and 1,813,810.86 is: 2,503,274.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,259.52 : 4,402,936.71 = 1,813,810.86 : x
  2. Step 2: Convert to fraction form
    3,190,259.52/4,402,936.71 = 1,813,810.86/x
  3. Step 3: Cross multiply
    3,190,259.52x = 4,402,936.71 × 1,813,810.86
  4. Step 4: Simplify right side
    3,190,259.52x = 7,986,094,420,490.67
  5. Step 5: Solve for x
    x = 7,986,094,420,490.67/3,190,259.52
  6. Step 6: Final answer
    x = 2,503,274.22

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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.