Home / 1,620,171.45-2,430,601.56-554,927.49

Finding the Fourth Proportional to 1,620,171.45, 2,430,601.56 and 554,927.49

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Solution

The fourth proportional to 1,620,171.45, 2,430,601.56 and 554,927.49 is: 832,509.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,171.45 : 2,430,601.56 = 554,927.49 : x
  2. Step 2: Convert to fraction form
    1,620,171.45/2,430,601.56 = 554,927.49/x
  3. Step 3: Cross multiply
    1,620,171.45x = 2,430,601.56 × 554,927.49
  4. Step 4: Simplify right side
    1,620,171.45x = 1,348,807,622,880.88
  5. Step 5: Solve for x
    x = 1,348,807,622,880.88/1,620,171.45
  6. Step 6: Final answer
    x = 832,509.19

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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.