Home / 2,987,758.48-4,123,455.28-1,698,792

Finding the Fourth Proportional to 2,987,758.48, 4,123,455.28 and 1,698,792

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Solution

The fourth proportional to 2,987,758.48, 4,123,455.28 and 1,698,792 is: 2,344,531.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,758.48 : 4,123,455.28 = 1,698,792 : x
  2. Step 2: Convert to fraction form
    2,987,758.48/4,123,455.28 = 1,698,792/x
  3. Step 3: Cross multiply
    2,987,758.48x = 4,123,455.28 × 1,698,792
  4. Step 4: Simplify right side
    2,987,758.48x = 7,004,892,842,021.76
  5. Step 5: Solve for x
    x = 7,004,892,842,021.76/2,987,758.48
  6. Step 6: Final answer
    x = 2,344,531.16

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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.