Home / 2,918,938.88-4,028,384.74-1,630,028.38

Finding the Fourth Proportional to 2,918,938.88, 4,028,384.74 and 1,630,028.38

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Solution

The fourth proportional to 2,918,938.88, 4,028,384.74 and 1,630,028.38 is: 2,249,578.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,938.88 : 4,028,384.74 = 1,630,028.38 : x
  2. Step 2: Convert to fraction form
    2,918,938.88/4,028,384.74 = 1,630,028.38/x
  3. Step 3: Cross multiply
    2,918,938.88x = 4,028,384.74 × 1,630,028.38
  4. Step 4: Simplify right side
    2,918,938.88x = 6,566,381,451,758.92
  5. Step 5: Solve for x
    x = 6,566,381,451,758.92/2,918,938.88
  6. Step 6: Final answer
    x = 2,249,578.26

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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.