Home / 2,980,114-4,112,557.32-1,621,996.72

Finding the Fourth Proportional to 2,980,114, 4,112,557.32 and 1,621,996.72

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Solution

The fourth proportional to 2,980,114, 4,112,557.32 and 1,621,996.72 is: 2,238,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,114 : 4,112,557.32 = 1,621,996.72 : x
  2. Step 2: Convert to fraction form
    2,980,114/4,112,557.32 = 1,621,996.72/x
  3. Step 3: Cross multiply
    2,980,114x = 4,112,557.32 × 1,621,996.72
  4. Step 4: Simplify right side
    2,980,114x = 6,670,554,483,851.99
  5. Step 5: Solve for x
    x = 6,670,554,483,851.99/2,980,114
  6. Step 6: Final answer
    x = 2,238,355.47

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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.