Home / 2,657,036.80-3,985,528.92-1,217,311.82

Finding the Fourth Proportional to 2,657,036.80, 3,985,528.92 and 1,217,311.82

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Solution

The fourth proportional to 2,657,036.80, 3,985,528.92 and 1,217,311.82 is: 1,825,955.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,036.80 : 3,985,528.92 = 1,217,311.82 : x
  2. Step 2: Convert to fraction form
    2,657,036.80/3,985,528.92 = 1,217,311.82/x
  3. Step 3: Cross multiply
    2,657,036.80x = 3,985,528.92 × 1,217,311.82
  4. Step 4: Simplify right side
    2,657,036.80x = 4,851,631,463,267.84
  5. Step 5: Solve for x
    x = 4,851,631,463,267.84/2,657,036.80
  6. Step 6: Final answer
    x = 1,825,955.69

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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.