Home / 2,057,636.45-2,839,537.80-1,139,925.20

Finding the Fourth Proportional to 2,057,636.45, 2,839,537.80 and 1,139,925.20

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Solution

The fourth proportional to 2,057,636.45, 2,839,537.80 and 1,139,925.20 is: 1,573,096.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,636.45 : 2,839,537.80 = 1,139,925.20 : x
  2. Step 2: Convert to fraction form
    2,057,636.45/2,839,537.80 = 1,139,925.20/x
  3. Step 3: Cross multiply
    2,057,636.45x = 2,839,537.80 × 1,139,925.20
  4. Step 4: Simplify right side
    2,057,636.45x = 3,236,860,680,374.87
  5. Step 5: Solve for x
    x = 3,236,860,680,374.87/2,057,636.45
  6. Step 6: Final answer
    x = 1,573,096.50

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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.