Home / 3,178,672.40-4,768,008.60-1,383,582.80

Finding the Fourth Proportional to 3,178,672.40, 4,768,008.60 and 1,383,582.80

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Solution

The fourth proportional to 3,178,672.40, 4,768,008.60 and 1,383,582.80 is: 2,075,374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,672.40 : 4,768,008.60 = 1,383,582.80 : x
  2. Step 2: Convert to fraction form
    3,178,672.40/4,768,008.60 = 1,383,582.80/x
  3. Step 3: Cross multiply
    3,178,672.40x = 4,768,008.60 × 1,383,582.80
  4. Step 4: Simplify right side
    3,178,672.40x = 6,596,934,689,212.08
  5. Step 5: Solve for x
    x = 6,596,934,689,212.08/3,178,672.40
  6. Step 6: Final answer
    x = 2,075,374.20

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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.