Home / 2,916,533.80-4,374,800.70-921,989.80

Finding the Fourth Proportional to 2,916,533.80, 4,374,800.70 and 921,989.80

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Solution

The fourth proportional to 2,916,533.80, 4,374,800.70 and 921,989.80 is: 1,382,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,533.80 : 4,374,800.70 = 921,989.80 : x
  2. Step 2: Convert to fraction form
    2,916,533.80/4,374,800.70 = 921,989.80/x
  3. Step 3: Cross multiply
    2,916,533.80x = 4,374,800.70 × 921,989.80
  4. Step 4: Simplify right side
    2,916,533.80x = 4,033,521,622,432.86
  5. Step 5: Solve for x
    x = 4,033,521,622,432.86/2,916,533.80
  6. Step 6: Final answer
    x = 1,382,984.70

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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.