Home / 3,870,773.25-5,341,803.99-2,128,575.45

Finding the Fourth Proportional to 3,870,773.25, 5,341,803.99 and 2,128,575.45

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Solution

The fourth proportional to 3,870,773.25, 5,341,803.99 and 2,128,575.45 is: 2,937,509.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,773.25 : 5,341,803.99 = 2,128,575.45 : x
  2. Step 2: Convert to fraction form
    3,870,773.25/5,341,803.99 = 2,128,575.45/x
  3. Step 3: Cross multiply
    3,870,773.25x = 5,341,803.99 × 2,128,575.45
  4. Step 4: Simplify right side
    3,870,773.25x = 11,370,432,831,826.05
  5. Step 5: Solve for x
    x = 11,370,432,831,826.05/3,870,773.25
  6. Step 6: Final answer
    x = 2,937,509.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.