Home / 6,439,478.54-8,886,295.15-3,538,865.90

Finding the Fourth Proportional to 6,439,478.54, 8,886,295.15 and 3,538,865.90

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Solution

The fourth proportional to 6,439,478.54, 8,886,295.15 and 3,538,865.90 is: 4,883,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,478.54 : 8,886,295.15 = 3,538,865.90 : x
  2. Step 2: Convert to fraction form
    6,439,478.54/8,886,295.15 = 3,538,865.90/x
  3. Step 3: Cross multiply
    6,439,478.54x = 8,886,295.15 × 3,538,865.90
  4. Step 4: Simplify right side
    6,439,478.54x = 31,447,406,897,038.96
  5. Step 5: Solve for x
    x = 31,447,406,897,038.96/6,439,478.54
  6. Step 6: Final answer
    x = 4,883,533.15

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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.