Home / 2,107,830.28-2,908,806.32-1,140,957.60

Finding the Fourth Proportional to 2,107,830.28, 2,908,806.32 and 1,140,957.60

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Solution

The fourth proportional to 2,107,830.28, 2,908,806.32 and 1,140,957.60 is: 1,574,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,830.28 : 2,908,806.32 = 1,140,957.60 : x
  2. Step 2: Convert to fraction form
    2,107,830.28/2,908,806.32 = 1,140,957.60/x
  3. Step 3: Cross multiply
    2,107,830.28x = 2,908,806.32 × 1,140,957.60
  4. Step 4: Simplify right side
    2,107,830.28x = 3,318,824,677,732.03
  5. Step 5: Solve for x
    x = 3,318,824,677,732.03/2,107,830.28
  6. Step 6: Final answer
    x = 1,574,521.78

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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.