Home / 3,121,084-4,307,095.92-1,690,300

Finding the Fourth Proportional to 3,121,084, 4,307,095.92 and 1,690,300

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Solution

The fourth proportional to 3,121,084, 4,307,095.92 and 1,690,300 is: 2,332,614

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,084 : 4,307,095.92 = 1,690,300 : x
  2. Step 2: Convert to fraction form
    3,121,084/4,307,095.92 = 1,690,300/x
  3. Step 3: Cross multiply
    3,121,084x = 4,307,095.92 × 1,690,300
  4. Step 4: Simplify right side
    3,121,084x = 7,280,284,233,576
  5. Step 5: Solve for x
    x = 7,280,284,233,576/3,121,084
  6. Step 6: Final answer
    x = 2,332,614

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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.