Home / 2,991,647.08-4,128,472.74-1,633,521.16

Finding the Fourth Proportional to 2,991,647.08, 4,128,472.74 and 1,633,521.16

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Solution

The fourth proportional to 2,991,647.08, 4,128,472.74 and 1,633,521.16 is: 2,254,259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,647.08 : 4,128,472.74 = 1,633,521.16 : x
  2. Step 2: Convert to fraction form
    2,991,647.08/4,128,472.74 = 1,633,521.16/x
  3. Step 3: Cross multiply
    2,991,647.08x = 4,128,472.74 × 1,633,521.16
  4. Step 4: Simplify right side
    2,991,647.08x = 6,743,947,579,273.18
  5. Step 5: Solve for x
    x = 6,743,947,579,273.18/2,991,647.08
  6. Step 6: Final answer
    x = 2,254,259.07

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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.