Home / 3,365,128-5,047,702.80-840,783.52

Finding the Fourth Proportional to 3,365,128, 5,047,702.80 and 840,783.52

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Solution

The fourth proportional to 3,365,128, 5,047,702.80 and 840,783.52 is: 1,261,177.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365,128 : 5,047,702.80 = 840,783.52 : x
  2. Step 2: Convert to fraction form
    3,365,128/5,047,702.80 = 840,783.52/x
  3. Step 3: Cross multiply
    3,365,128x = 5,047,702.80 × 840,783.52
  4. Step 4: Simplify right side
    3,365,128x = 4,244,025,328,097.86
  5. Step 5: Solve for x
    x = 4,244,025,328,097.86/3,365,128
  6. Step 6: Final answer
    x = 1,261,177.98

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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.