Home / 3,128,868-4,317,837.84-1,698,084

Finding the Fourth Proportional to 3,128,868, 4,317,837.84 and 1,698,084

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Solution

The fourth proportional to 3,128,868, 4,317,837.84 and 1,698,084 is: 2,343,355.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,868 : 4,317,837.84 = 1,698,084 : x
  2. Step 2: Convert to fraction form
    3,128,868/4,317,837.84 = 1,698,084/x
  3. Step 3: Cross multiply
    3,128,868x = 4,317,837.84 × 1,698,084
  4. Step 4: Simplify right side
    3,128,868x = 7,332,051,350,698.56
  5. Step 5: Solve for x
    x = 7,332,051,350,698.56/3,128,868
  6. Step 6: Final answer
    x = 2,343,355.92

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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.