Home / 2,078,284.70-3,117,427.05-1,962,811.10

Finding the Fourth Proportional to 2,078,284.70, 3,117,427.05 and 1,962,811.10

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Solution

The fourth proportional to 2,078,284.70, 3,117,427.05 and 1,962,811.10 is: 2,944,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,284.70 : 3,117,427.05 = 1,962,811.10 : x
  2. Step 2: Convert to fraction form
    2,078,284.70/3,117,427.05 = 1,962,811.10/x
  3. Step 3: Cross multiply
    2,078,284.70x = 3,117,427.05 × 1,962,811.10
  4. Step 4: Simplify right side
    2,078,284.70x = 6,118,920,417,180.26
  5. Step 5: Solve for x
    x = 6,118,920,417,180.26/2,078,284.70
  6. Step 6: Final answer
    x = 2,944,216.65

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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.