Home / 2,111,979.75-2,913,459.21-1,336,303.47

Finding the Fourth Proportional to 2,111,979.75, 2,913,459.21 and 1,336,303.47

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Solution

The fourth proportional to 2,111,979.75, 2,913,459.21 and 1,336,303.47 is: 1,843,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,979.75 : 2,913,459.21 = 1,336,303.47 : x
  2. Step 2: Convert to fraction form
    2,111,979.75/2,913,459.21 = 1,336,303.47/x
  3. Step 3: Cross multiply
    2,111,979.75x = 2,913,459.21 × 1,336,303.47
  4. Step 4: Simplify right side
    2,111,979.75x = 3,893,265,659,193.58
  5. Step 5: Solve for x
    x = 3,893,265,659,193.58/2,111,979.75
  6. Step 6: Final answer
    x = 1,843,419.98

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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.