Home / 4,653,139.20-6,979,708.80-3,060,614.40

Finding the Fourth Proportional to 4,653,139.20, 6,979,708.80 and 3,060,614.40

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Solution

The fourth proportional to 4,653,139.20, 6,979,708.80 and 3,060,614.40 is: 4,590,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653,139.20 : 6,979,708.80 = 3,060,614.40 : x
  2. Step 2: Convert to fraction form
    4,653,139.20/6,979,708.80 = 3,060,614.40/x
  3. Step 3: Cross multiply
    4,653,139.20x = 6,979,708.80 × 3,060,614.40
  4. Step 4: Simplify right side
    4,653,139.20x = 21,362,197,261,086.72
  5. Step 5: Solve for x
    x = 21,362,197,261,086.72/4,653,139.20
  6. Step 6: Final answer
    x = 4,590,921.60

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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.