Home / 1,679,423.42-2,316,178.19-1,419,054.39

Finding the Fourth Proportional to 1,679,423.42, 2,316,178.19 and 1,419,054.39

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Solution

The fourth proportional to 1,679,423.42, 2,316,178.19 and 1,419,054.39 is: 1,957,090.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,423.42 : 2,316,178.19 = 1,419,054.39 : x
  2. Step 2: Convert to fraction form
    1,679,423.42/2,316,178.19 = 1,419,054.39/x
  3. Step 3: Cross multiply
    1,679,423.42x = 2,316,178.19 × 1,419,054.39
  4. Step 4: Simplify right side
    1,679,423.42x = 3,286,782,832,089.39
  5. Step 5: Solve for x
    x = 3,286,782,832,089.39/1,679,423.42
  6. Step 6: Final answer
    x = 1,957,090.03

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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.