Home / 2,163,913.31-2,985,942.02-1,196,912.16

Finding the Fourth Proportional to 2,163,913.31, 2,985,942.02 and 1,196,912.16

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Solution

The fourth proportional to 2,163,913.31, 2,985,942.02 and 1,196,912.16 is: 1,651,595.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,913.31 : 2,985,942.02 = 1,196,912.16 : x
  2. Step 2: Convert to fraction form
    2,163,913.31/2,985,942.02 = 1,196,912.16/x
  3. Step 3: Cross multiply
    2,163,913.31x = 2,985,942.02 × 1,196,912.16
  4. Step 4: Simplify right side
    2,163,913.31x = 3,573,910,306,808.40
  5. Step 5: Solve for x
    x = 3,573,910,306,808.40/2,163,913.31
  6. Step 6: Final answer
    x = 1,651,595.88

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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.