Home / 2,158,010.40-3,237,447.60-641,690.40

Finding the Fourth Proportional to 2,158,010.40, 3,237,447.60 and 641,690.40

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Solution

The fourth proportional to 2,158,010.40, 3,237,447.60 and 641,690.40 is: 962,664.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,010.40 : 3,237,447.60 = 641,690.40 : x
  2. Step 2: Convert to fraction form
    2,158,010.40/3,237,447.60 = 641,690.40/x
  3. Step 3: Cross multiply
    2,158,010.40x = 3,237,447.60 × 641,690.40
  4. Step 4: Simplify right side
    2,158,010.40x = 2,077,439,045,423.04
  5. Step 5: Solve for x
    x = 2,077,439,045,423.04/2,158,010.40
  6. Step 6: Final answer
    x = 962,664.06

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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.