Home / 2,665,696.47-3,674,835.05-1,900,421.43

Finding the Fourth Proportional to 2,665,696.47, 3,674,835.05 and 1,900,421.43

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Solution

The fourth proportional to 2,665,696.47, 3,674,835.05 and 1,900,421.43 is: 2,619,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,696.47 : 3,674,835.05 = 1,900,421.43 : x
  2. Step 2: Convert to fraction form
    2,665,696.47/3,674,835.05 = 1,900,421.43/x
  3. Step 3: Cross multiply
    2,665,696.47x = 3,674,835.05 × 1,900,421.43
  4. Step 4: Simplify right side
    2,665,696.47x = 6,983,735,271,233.01
  5. Step 5: Solve for x
    x = 6,983,735,271,233.01/2,665,696.47
  6. Step 6: Final answer
    x = 2,619,853.89

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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.