Home / 2,107,862.58-2,908,852.08-1,140,989.88

Finding the Fourth Proportional to 2,107,862.58, 2,908,852.08 and 1,140,989.88

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Solution

The fourth proportional to 2,107,862.58, 2,908,852.08 and 1,140,989.88 is: 1,574,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,862.58 : 2,908,852.08 = 1,140,989.88 : x
  2. Step 2: Convert to fraction form
    2,107,862.58/2,908,852.08 = 1,140,989.88/x
  3. Step 3: Cross multiply
    2,107,862.58x = 2,908,852.08 × 1,140,989.88
  4. Step 4: Simplify right side
    2,107,862.58x = 3,318,970,785,696.95
  5. Step 5: Solve for x
    x = 3,318,970,785,696.95/2,107,862.58
  6. Step 6: Final answer
    x = 1,574,566.97

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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.