Home / 2,602,431.80-3,900,537.30-1,339,609.40

Finding the Fourth Proportional to 2,602,431.80, 3,900,537.30 and 1,339,609.40

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Solution

The fourth proportional to 2,602,431.80, 3,900,537.30 and 1,339,609.40 is: 2,007,813.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602,431.80 : 3,900,537.30 = 1,339,609.40 : x
  2. Step 2: Convert to fraction form
    2,602,431.80/3,900,537.30 = 1,339,609.40/x
  3. Step 3: Cross multiply
    2,602,431.80x = 3,900,537.30 × 1,339,609.40
  4. Step 4: Simplify right side
    2,602,431.80x = 5,225,196,432,130.62
  5. Step 5: Solve for x
    x = 5,225,196,432,130.62/2,602,431.80
  6. Step 6: Final answer
    x = 2,007,813.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.