Home / 2,113,308.39-2,916,365.58-1,207,909.83

Finding the Fourth Proportional to 2,113,308.39, 2,916,365.58 and 1,207,909.83

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Solution

The fourth proportional to 2,113,308.39, 2,916,365.58 and 1,207,909.83 is: 1,666,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,308.39 : 2,916,365.58 = 1,207,909.83 : x
  2. Step 2: Convert to fraction form
    2,113,308.39/2,916,365.58 = 1,207,909.83/x
  3. Step 3: Cross multiply
    2,113,308.39x = 2,916,365.58 × 1,207,909.83
  4. Step 4: Simplify right side
    2,113,308.39x = 3,522,706,651,955.65
  5. Step 5: Solve for x
    x = 3,522,706,651,955.65/2,113,308.39
  6. Step 6: Final answer
    x = 1,666,915.57

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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.