Home / 1,917,230.10-2,875,845.15-970,477.80

Finding the Fourth Proportional to 1,917,230.10, 2,875,845.15 and 970,477.80

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Solution

The fourth proportional to 1,917,230.10, 2,875,845.15 and 970,477.80 is: 1,455,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,230.10 : 2,875,845.15 = 970,477.80 : x
  2. Step 2: Convert to fraction form
    1,917,230.10/2,875,845.15 = 970,477.80/x
  3. Step 3: Cross multiply
    1,917,230.10x = 2,875,845.15 × 970,477.80
  4. Step 4: Simplify right side
    1,917,230.10x = 2,790,943,874,312.67
  5. Step 5: Solve for x
    x = 2,790,943,874,312.67/1,917,230.10
  6. Step 6: Final answer
    x = 1,455,716.70

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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.