Home / 1,962,816.12-2,710,742.46-1,352,555.64

Finding the Fourth Proportional to 1,962,816.12, 2,710,742.46 and 1,352,555.64

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Solution

The fourth proportional to 1,962,816.12, 2,710,742.46 and 1,352,555.64 is: 1,867,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,816.12 : 2,710,742.46 = 1,352,555.64 : x
  2. Step 2: Convert to fraction form
    1,962,816.12/2,710,742.46 = 1,352,555.64/x
  3. Step 3: Cross multiply
    1,962,816.12x = 2,710,742.46 × 1,352,555.64
  4. Step 4: Simplify right side
    1,962,816.12x = 3,666,430,002,860.47
  5. Step 5: Solve for x
    x = 3,666,430,002,860.47/1,962,816.12
  6. Step 6: Final answer
    x = 1,867,943.70

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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.