Home / 3,118,733.60-4,672,570.80-1,935,399.20

Finding the Fourth Proportional to 3,118,733.60, 4,672,570.80 and 1,935,399.20

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Solution

The fourth proportional to 3,118,733.60, 4,672,570.80 and 1,935,399.20 is: 2,899,667.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,733.60 : 4,672,570.80 = 1,935,399.20 : x
  2. Step 2: Convert to fraction form
    3,118,733.60/4,672,570.80 = 1,935,399.20/x
  3. Step 3: Cross multiply
    3,118,733.60x = 4,672,570.80 × 1,935,399.20
  4. Step 4: Simplify right side
    3,118,733.60x = 9,043,289,788,263.36
  5. Step 5: Solve for x
    x = 9,043,289,788,263.36/3,118,733.60
  6. Step 6: Final answer
    x = 2,899,667.28

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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.