Home / 2,166,962.63-2,990,402.15-1,249,186.46

Finding the Fourth Proportional to 2,166,962.63, 2,990,402.15 and 1,249,186.46

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Solution

The fourth proportional to 2,166,962.63, 2,990,402.15 and 1,249,186.46 is: 1,723,873.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,962.63 : 2,990,402.15 = 1,249,186.46 : x
  2. Step 2: Convert to fraction form
    2,166,962.63/2,990,402.15 = 1,249,186.46/x
  3. Step 3: Cross multiply
    2,166,962.63x = 2,990,402.15 × 1,249,186.46
  4. Step 4: Simplify right side
    2,166,962.63x = 3,735,569,854,536.95
  5. Step 5: Solve for x
    x = 3,735,569,854,536.95/2,166,962.63
  6. Step 6: Final answer
    x = 1,723,873.69

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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.