Home / 2,014,903.60-3,020,605.80-1,215,336.40

Finding the Fourth Proportional to 2,014,903.60, 3,020,605.80 and 1,215,336.40

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Solution

The fourth proportional to 2,014,903.60, 3,020,605.80 and 1,215,336.40 is: 1,821,949.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014,903.60 : 3,020,605.80 = 1,215,336.40 : x
  2. Step 2: Convert to fraction form
    2,014,903.60/3,020,605.80 = 1,215,336.40/x
  3. Step 3: Cross multiply
    2,014,903.60x = 3,020,605.80 × 1,215,336.40
  4. Step 4: Simplify right side
    2,014,903.60x = 3,671,052,178,791.12
  5. Step 5: Solve for x
    x = 3,671,052,178,791.12/2,014,903.60
  6. Step 6: Final answer
    x = 1,821,949.29

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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.