Home / 2,919,931.91-4,028,920.85-1,630,573.91

Finding the Fourth Proportional to 2,919,931.91, 4,028,920.85 and 1,630,573.91

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Solution

The fourth proportional to 2,919,931.91, 4,028,920.85 and 1,630,573.91 is: 2,249,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,931.91 : 4,028,920.85 = 1,630,573.91 : x
  2. Step 2: Convert to fraction form
    2,919,931.91/4,028,920.85 = 1,630,573.91/x
  3. Step 3: Cross multiply
    2,919,931.91x = 4,028,920.85 × 1,630,573.91
  4. Step 4: Simplify right side
    2,919,931.91x = 6,569,453,195,167.55
  5. Step 5: Solve for x
    x = 6,569,453,195,167.55/2,919,931.91
  6. Step 6: Final answer
    x = 2,249,865.21

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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.