Home / 2,869,905.32-3,960,468.70-1,580,745.74

Finding the Fourth Proportional to 2,869,905.32, 3,960,468.70 and 1,580,745.74

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Solution

The fourth proportional to 2,869,905.32, 3,960,468.70 and 1,580,745.74 is: 2,181,428.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,905.32 : 3,960,468.70 = 1,580,745.74 : x
  2. Step 2: Convert to fraction form
    2,869,905.32/3,960,468.70 = 1,580,745.74/x
  3. Step 3: Cross multiply
    2,869,905.32x = 3,960,468.70 × 1,580,745.74
  4. Step 4: Simplify right side
    2,869,905.32x = 6,260,494,025,928.34
  5. Step 5: Solve for x
    x = 6,260,494,025,928.34/2,869,905.32
  6. Step 6: Final answer
    x = 2,181,428.77

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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.