Home / 4,993,428.56-6,890,929.08-2,818,427.90

Finding the Fourth Proportional to 4,993,428.56, 6,890,929.08 and 2,818,427.90

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Solution

The fourth proportional to 4,993,428.56, 6,890,929.08 and 2,818,427.90 is: 3,889,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993,428.56 : 6,890,929.08 = 2,818,427.90 : x
  2. Step 2: Convert to fraction form
    4,993,428.56/6,890,929.08 = 2,818,427.90/x
  3. Step 3: Cross multiply
    4,993,428.56x = 6,890,929.08 × 2,818,427.90
  4. Step 4: Simplify right side
    4,993,428.56x = 19,421,586,775,993.33
  5. Step 5: Solve for x
    x = 19,421,586,775,993.33/4,993,428.56
  6. Step 6: Final answer
    x = 3,889,429.19

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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.