Home / 2,070,669-2,857,489.11-1,211,374.83

Finding the Fourth Proportional to 2,070,669, 2,857,489.11 and 1,211,374.83

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Solution

The fourth proportional to 2,070,669, 2,857,489.11 and 1,211,374.83 is: 1,671,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,669 : 2,857,489.11 = 1,211,374.83 : x
  2. Step 2: Convert to fraction form
    2,070,669/2,857,489.11 = 1,211,374.83/x
  3. Step 3: Cross multiply
    2,070,669x = 2,857,489.11 × 1,211,374.83
  4. Step 4: Simplify right side
    2,070,669x = 3,461,490,384,853.10
  5. Step 5: Solve for x
    x = 3,461,490,384,853.10/2,070,669
  6. Step 6: Final answer
    x = 1,671,677.31

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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.