Home / 4,020,008.20-6,028,262.70-1,323,291.40

Finding the Fourth Proportional to 4,020,008.20, 6,028,262.70 and 1,323,291.40

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Solution

The fourth proportional to 4,020,008.20, 6,028,262.70 and 1,323,291.40 is: 1,984,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020,008.20 : 6,028,262.70 = 1,323,291.40 : x
  2. Step 2: Convert to fraction form
    4,020,008.20/6,028,262.70 = 1,323,291.40/x
  3. Step 3: Cross multiply
    4,020,008.20x = 6,028,262.70 × 1,323,291.40
  4. Step 4: Simplify right side
    4,020,008.20x = 7,977,148,187,850.78
  5. Step 5: Solve for x
    x = 7,977,148,187,850.78/4,020,008.20
  6. Step 6: Final answer
    x = 1,984,361.17

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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.