Home / 1,475,407.20-2,210,000.40-1,317,813.60

Finding the Fourth Proportional to 1,475,407.20, 2,210,000.40 and 1,317,813.60

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Solution

The fourth proportional to 1,475,407.20, 2,210,000.40 and 1,317,813.60 is: 1,973,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,407.20 : 2,210,000.40 = 1,317,813.60 : x
  2. Step 2: Convert to fraction form
    1,475,407.20/2,210,000.40 = 1,317,813.60/x
  3. Step 3: Cross multiply
    1,475,407.20x = 2,210,000.40 × 1,317,813.60
  4. Step 4: Simplify right side
    1,475,407.20x = 2,912,368,583,125.44
  5. Step 5: Solve for x
    x = 2,912,368,583,125.44/1,475,407.20
  6. Step 6: Final answer
    x = 1,973,942.23

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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.