Home / 3,005,409.90-4,509,594.21-1,407,696.78

Finding the Fourth Proportional to 3,005,409.90, 4,509,594.21 and 1,407,696.78

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Solution

The fourth proportional to 3,005,409.90, 4,509,594.21 and 1,407,696.78 is: 2,112,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,409.90 : 4,509,594.21 = 1,407,696.78 : x
  2. Step 2: Convert to fraction form
    3,005,409.90/4,509,594.21 = 1,407,696.78/x
  3. Step 3: Cross multiply
    3,005,409.90x = 4,509,594.21 × 1,407,696.78
  4. Step 4: Simplify right side
    3,005,409.90x = 6,348,141,248,523.64
  5. Step 5: Solve for x
    x = 6,348,141,248,523.64/3,005,409.90
  6. Step 6: Final answer
    x = 2,112,238.08

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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.