Home / 3,435,368.70-5,155,021.35-1,306,980.30

Finding the Fourth Proportional to 3,435,368.70, 5,155,021.35 and 1,306,980.30

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Solution

The fourth proportional to 3,435,368.70, 5,155,021.35 and 1,306,980.30 is: 1,961,219.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435,368.70 : 5,155,021.35 = 1,306,980.30 : x
  2. Step 2: Convert to fraction form
    3,435,368.70/5,155,021.35 = 1,306,980.30/x
  3. Step 3: Cross multiply
    3,435,368.70x = 5,155,021.35 × 1,306,980.30
  4. Step 4: Simplify right side
    3,435,368.70x = 6,737,511,350,529.40
  5. Step 5: Solve for x
    x = 6,737,511,350,529.40/3,435,368.70
  6. Step 6: Final answer
    x = 1,961,219.29

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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.