Home / 5,116,904.79-7,061,947.88-2,912,303.66

Finding the Fourth Proportional to 5,116,904.79, 7,061,947.88 and 2,912,303.66

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Solution

The fourth proportional to 5,116,904.79, 7,061,947.88 and 2,912,303.66 is: 4,019,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116,904.79 : 7,061,947.88 = 2,912,303.66 : x
  2. Step 2: Convert to fraction form
    5,116,904.79/7,061,947.88 = 2,912,303.66/x
  3. Step 3: Cross multiply
    5,116,904.79x = 7,061,947.88 × 2,912,303.66
  4. Step 4: Simplify right side
    5,116,904.79x = 20,566,536,657,653.24
  5. Step 5: Solve for x
    x = 20,566,536,657,653.24/5,116,904.79
  6. Step 6: Final answer
    x = 4,019,331.51

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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.