Home / 3,280,471.70-4,920,707.55-1,507,543.70

Finding the Fourth Proportional to 3,280,471.70, 4,920,707.55 and 1,507,543.70

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Solution

The fourth proportional to 3,280,471.70, 4,920,707.55 and 1,507,543.70 is: 2,261,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,471.70 : 4,920,707.55 = 1,507,543.70 : x
  2. Step 2: Convert to fraction form
    3,280,471.70/4,920,707.55 = 1,507,543.70/x
  3. Step 3: Cross multiply
    3,280,471.70x = 4,920,707.55 × 1,507,543.70
  4. Step 4: Simplify right side
    3,280,471.70x = 7,418,181,666,544.94
  5. Step 5: Solve for x
    x = 7,418,181,666,544.94/3,280,471.70
  6. Step 6: Final answer
    x = 2,261,315.55

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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.