Home / 2,807,430.60-4,209,072.30-1,123,667.40

Finding the Fourth Proportional to 2,807,430.60, 4,209,072.30 and 1,123,667.40

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Solution

The fourth proportional to 2,807,430.60, 4,209,072.30 and 1,123,667.40 is: 1,684,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,430.60 : 4,209,072.30 = 1,123,667.40 : x
  2. Step 2: Convert to fraction form
    2,807,430.60/4,209,072.30 = 1,123,667.40/x
  3. Step 3: Cross multiply
    2,807,430.60x = 4,209,072.30 × 1,123,667.40
  4. Step 4: Simplify right side
    2,807,430.60x = 4,729,597,327,753.02
  5. Step 5: Solve for x
    x = 4,729,597,327,753.02/2,807,430.60
  6. Step 6: Final answer
    x = 1,684,671.15

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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.