Home / 2,798,580.36-4,197,894.03-776,981.92

Finding the Fourth Proportional to 2,798,580.36, 4,197,894.03 and 776,981.92

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Solution

The fourth proportional to 2,798,580.36, 4,197,894.03 and 776,981.92 is: 1,165,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,580.36 : 4,197,894.03 = 776,981.92 : x
  2. Step 2: Convert to fraction form
    2,798,580.36/4,197,894.03 = 776,981.92/x
  3. Step 3: Cross multiply
    2,798,580.36x = 4,197,894.03 × 776,981.92
  4. Step 4: Simplify right side
    2,798,580.36x = 3,261,687,763,385.94
  5. Step 5: Solve for x
    x = 3,261,687,763,385.94/2,798,580.36
  6. Step 6: Final answer
    x = 1,165,479.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.