Home / 2,121,157.80-2,927,258.82-1,154,349.36

Finding the Fourth Proportional to 2,121,157.80, 2,927,258.82 and 1,154,349.36

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Solution

The fourth proportional to 2,121,157.80, 2,927,258.82 and 1,154,349.36 is: 1,593,035.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,157.80 : 2,927,258.82 = 1,154,349.36 : x
  2. Step 2: Convert to fraction form
    2,121,157.80/2,927,258.82 = 1,154,349.36/x
  3. Step 3: Cross multiply
    2,121,157.80x = 2,927,258.82 × 1,154,349.36
  4. Step 4: Simplify right side
    2,121,157.80x = 3,379,079,345,421.36
  5. Step 5: Solve for x
    x = 3,379,079,345,421.36/2,121,157.80
  6. Step 6: Final answer
    x = 1,593,035.34

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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.