Home / 1,942,619.40-2,913,929.10-1,308,097.80

Finding the Fourth Proportional to 1,942,619.40, 2,913,929.10 and 1,308,097.80

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Solution

The fourth proportional to 1,942,619.40, 2,913,929.10 and 1,308,097.80 is: 1,962,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,619.40 : 2,913,929.10 = 1,308,097.80 : x
  2. Step 2: Convert to fraction form
    1,942,619.40/2,913,929.10 = 1,308,097.80/x
  3. Step 3: Cross multiply
    1,942,619.40x = 2,913,929.10 × 1,308,097.80
  4. Step 4: Simplify right side
    1,942,619.40x = 3,811,704,245,065.98
  5. Step 5: Solve for x
    x = 3,811,704,245,065.98/1,942,619.40
  6. Step 6: Final answer
    x = 1,962,146.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.