Home / 2,117,017.73-2,921,427.59-1,245,903.68

Finding the Fourth Proportional to 2,117,017.73, 2,921,427.59 and 1,245,903.68

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Solution

The fourth proportional to 2,117,017.73, 2,921,427.59 and 1,245,903.68 is: 1,719,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,017.73 : 2,921,427.59 = 1,245,903.68 : x
  2. Step 2: Convert to fraction form
    2,117,017.73/2,921,427.59 = 1,245,903.68/x
  3. Step 3: Cross multiply
    2,117,017.73x = 2,921,427.59 × 1,245,903.68
  4. Step 4: Simplify right side
    2,117,017.73x = 3,639,817,364,397.88
  5. Step 5: Solve for x
    x = 3,639,817,364,397.88/2,117,017.73
  6. Step 6: Final answer
    x = 1,719,313.60

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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.