Home / 1,966,010.31-2,711,696.37-1,312,306.68

Finding the Fourth Proportional to 1,966,010.31, 2,711,696.37 and 1,312,306.68

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Solution

The fourth proportional to 1,966,010.31, 2,711,696.37 and 1,312,306.68 is: 1,810,050.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,010.31 : 2,711,696.37 = 1,312,306.68 : x
  2. Step 2: Convert to fraction form
    1,966,010.31/2,711,696.37 = 1,312,306.68/x
  3. Step 3: Cross multiply
    1,966,010.31x = 2,711,696.37 × 1,312,306.68
  4. Step 4: Simplify right side
    1,966,010.31x = 3,558,577,260,482.75
  5. Step 5: Solve for x
    x = 3,558,577,260,482.75/1,966,010.31
  6. Step 6: Final answer
    x = 1,810,050.15

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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.