Home / 1,987,094.76-2,980,106.94-547,435.32

Finding the Fourth Proportional to 1,987,094.76, 2,980,106.94 and 547,435.32

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Solution

The fourth proportional to 1,987,094.76, 2,980,106.94 and 547,435.32 is: 821,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,094.76 : 2,980,106.94 = 547,435.32 : x
  2. Step 2: Convert to fraction form
    1,987,094.76/2,980,106.94 = 547,435.32/x
  3. Step 3: Cross multiply
    1,987,094.76x = 2,980,106.94 × 547,435.32
  4. Step 4: Simplify right side
    1,987,094.76x = 1,631,415,796,333.12
  5. Step 5: Solve for x
    x = 1,631,415,796,333.12/1,987,094.76
  6. Step 6: Final answer
    x = 821,005.53

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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.