Home / 6,461,107.40-8,916,387.20-3,560,602.36

Finding the Fourth Proportional to 6,461,107.40, 8,916,387.20 and 3,560,602.36

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Solution

The fourth proportional to 6,461,107.40, 8,916,387.20 and 3,560,602.36 is: 4,913,663.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461,107.40 : 8,916,387.20 = 3,560,602.36 : x
  2. Step 2: Convert to fraction form
    6,461,107.40/8,916,387.20 = 3,560,602.36/x
  3. Step 3: Cross multiply
    6,461,107.40x = 8,916,387.20 × 3,560,602.36
  4. Step 4: Simplify right side
    6,461,107.40x = 31,747,709,306,993.79
  5. Step 5: Solve for x
    x = 31,747,709,306,993.79/6,461,107.40
  6. Step 6: Final answer
    x = 4,913,663.76

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1.5x scale

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.