Home / 2,989,891.51-4,484,676.48-1,472,061.31

Finding the Fourth Proportional to 2,989,891.51, 4,484,676.48 and 1,472,061.31

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Solution

The fourth proportional to 2,989,891.51, 4,484,676.48 and 1,472,061.31 is: 2,208,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,891.51 : 4,484,676.48 = 1,472,061.31 : x
  2. Step 2: Convert to fraction form
    2,989,891.51/4,484,676.48 = 1,472,061.31/x
  3. Step 3: Cross multiply
    2,989,891.51x = 4,484,676.48 × 1,472,061.31
  4. Step 4: Simplify right side
    2,989,891.51x = 6,601,718,734,074.99
  5. Step 5: Solve for x
    x = 6,601,718,734,074.99/2,989,891.51
  6. Step 6: Final answer
    x = 2,208,012.80

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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.