Home / 5,430,019.30-8,142,955.35-1,642,243.30

Finding the Fourth Proportional to 5,430,019.30, 8,142,955.35 and 1,642,243.30

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Solution

The fourth proportional to 5,430,019.30, 8,142,955.35 and 1,642,243.30 is: 2,462,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,019.30 : 8,142,955.35 = 1,642,243.30 : x
  2. Step 2: Convert to fraction form
    5,430,019.30/8,142,955.35 = 1,642,243.30/x
  3. Step 3: Cross multiply
    5,430,019.30x = 8,142,955.35 × 1,642,243.30
  4. Step 4: Simplify right side
    5,430,019.30x = 13,372,713,865,736.65
  5. Step 5: Solve for x
    x = 13,372,713,865,736.65/5,430,019.30
  6. Step 6: Final answer
    x = 2,462,737.81

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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.