Home / 3,148,479.57-4,723,056.51-874,013.47

Finding the Fourth Proportional to 3,148,479.57, 4,723,056.51 and 874,013.47

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Solution

The fourth proportional to 3,148,479.57, 4,723,056.51 and 874,013.47 is: 1,311,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,479.57 : 4,723,056.51 = 874,013.47 : x
  2. Step 2: Convert to fraction form
    3,148,479.57/4,723,056.51 = 874,013.47/x
  3. Step 3: Cross multiply
    3,148,479.57x = 4,723,056.51 × 874,013.47
  4. Step 4: Simplify right side
    3,148,479.57x = 4,128,015,009,311.19
  5. Step 5: Solve for x
    x = 4,128,015,009,311.19/3,148,479.57
  6. Step 6: Final answer
    x = 1,311,113.80

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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.