Home / 2,166,047.44-2,989,647.84-1,440,925.72

Finding the Fourth Proportional to 2,166,047.44, 2,989,647.84 and 1,440,925.72

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Solution

The fourth proportional to 2,166,047.44, 2,989,647.84 and 1,440,925.72 is: 1,988,811.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,047.44 : 2,989,647.84 = 1,440,925.72 : x
  2. Step 2: Convert to fraction form
    2,166,047.44/2,989,647.84 = 1,440,925.72/x
  3. Step 3: Cross multiply
    2,166,047.44x = 2,989,647.84 × 1,440,925.72
  4. Step 4: Simplify right side
    2,166,047.44x = 4,307,860,466,398.44
  5. Step 5: Solve for x
    x = 4,307,860,466,398.44/2,166,047.44
  6. Step 6: Final answer
    x = 1,988,811.69

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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.