Home / 3,146,057.87-4,341,434.82-1,857,313.40

Finding the Fourth Proportional to 3,146,057.87, 4,341,434.82 and 1,857,313.40

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Solution

The fourth proportional to 3,146,057.87, 4,341,434.82 and 1,857,313.40 is: 2,563,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,057.87 : 4,341,434.82 = 1,857,313.40 : x
  2. Step 2: Convert to fraction form
    3,146,057.87/4,341,434.82 = 1,857,313.40/x
  3. Step 3: Cross multiply
    3,146,057.87x = 4,341,434.82 × 1,857,313.40
  4. Step 4: Simplify right side
    3,146,057.87x = 8,063,405,066,412.59
  5. Step 5: Solve for x
    x = 8,063,405,066,412.59/3,146,057.87
  6. Step 6: Final answer
    x = 2,563,018.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.