Home / 2,917,886.40-4,373,719.20-1,120,075.20

Finding the Fourth Proportional to 2,917,886.40, 4,373,719.20 and 1,120,075.20

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Solution

The fourth proportional to 2,917,886.40, 4,373,719.20 and 1,120,075.20 is: 1,678,918.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917,886.40 : 4,373,719.20 = 1,120,075.20 : x
  2. Step 2: Convert to fraction form
    2,917,886.40/4,373,719.20 = 1,120,075.20/x
  3. Step 3: Cross multiply
    2,917,886.40x = 4,373,719.20 × 1,120,075.20
  4. Step 4: Simplify right side
    2,917,886.40x = 4,898,894,407,683.84
  5. Step 5: Solve for x
    x = 4,898,894,407,683.84/2,917,886.40
  6. Step 6: Final answer
    x = 1,678,918.83

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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.