Home / 5,379,395.50-7,423,349.30-2,931,955.39

Finding the Fourth Proportional to 5,379,395.50, 7,423,349.30 and 2,931,955.39

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Solution

The fourth proportional to 5,379,395.50, 7,423,349.30 and 2,931,955.39 is: 4,045,980.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379,395.50 : 7,423,349.30 = 2,931,955.39 : x
  2. Step 2: Convert to fraction form
    5,379,395.50/7,423,349.30 = 2,931,955.39/x
  3. Step 3: Cross multiply
    5,379,395.50x = 7,423,349.30 × 2,931,955.39
  4. Step 4: Simplify right side
    5,379,395.50x = 21,764,928,954,870.98
  5. Step 5: Solve for x
    x = 21,764,928,954,870.98/5,379,395.50
  6. Step 6: Final answer
    x = 4,045,980.44

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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.