Home / 5,245,072.64-7,869,009.02-1,879,619.84

Finding the Fourth Proportional to 5,245,072.64, 7,869,009.02 and 1,879,619.84

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Solution

The fourth proportional to 5,245,072.64, 7,869,009.02 and 1,879,619.84 is: 2,819,931.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245,072.64 : 7,869,009.02 = 1,879,619.84 : x
  2. Step 2: Convert to fraction form
    5,245,072.64/7,869,009.02 = 1,879,619.84/x
  3. Step 3: Cross multiply
    5,245,072.64x = 7,869,009.02 × 1,879,619.84
  4. Step 4: Simplify right side
    5,245,072.64x = 14,790,745,475,130.96
  5. Step 5: Solve for x
    x = 14,790,745,475,130.96/5,245,072.64
  6. Step 6: Final answer
    x = 2,819,931.48

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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.