Home / 6,283,813.76-8,671,130.40-3,530,285.20

Finding the Fourth Proportional to 6,283,813.76, 8,671,130.40 and 3,530,285.20

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Solution

The fourth proportional to 6,283,813.76, 8,671,130.40 and 3,530,285.20 is: 4,871,494.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283,813.76 : 8,671,130.40 = 3,530,285.20 : x
  2. Step 2: Convert to fraction form
    6,283,813.76/8,671,130.40 = 3,530,285.20/x
  3. Step 3: Cross multiply
    6,283,813.76x = 8,671,130.40 × 3,530,285.20
  4. Step 4: Simplify right side
    6,283,813.76x = 30,611,563,318,390.08
  5. Step 5: Solve for x
    x = 30,611,563,318,390.08/6,283,813.76
  6. Step 6: Final answer
    x = 4,871,494.36

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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.