Home / 2,154,503.41-2,973,066.07-1,211,659.92

Finding the Fourth Proportional to 2,154,503.41, 2,973,066.07 and 1,211,659.92

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Solution

The fourth proportional to 2,154,503.41, 2,973,066.07 and 1,211,659.92 is: 1,672,007.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,503.41 : 2,973,066.07 = 1,211,659.92 : x
  2. Step 2: Convert to fraction form
    2,154,503.41/2,973,066.07 = 1,211,659.92/x
  3. Step 3: Cross multiply
    2,154,503.41x = 2,973,066.07 × 1,211,659.92
  4. Step 4: Simplify right side
    2,154,503.41x = 3,602,344,996,530.91
  5. Step 5: Solve for x
    x = 3,602,344,996,530.91/2,154,503.41
  6. Step 6: Final answer
    x = 1,672,007.10

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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.