Home / 1,918,168.17-2,877,314.01-1,007,119.86

Finding the Fourth Proportional to 1,918,168.17, 2,877,314.01 and 1,007,119.86

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Solution

The fourth proportional to 1,918,168.17, 2,877,314.01 and 1,007,119.86 is: 1,510,712.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,168.17 : 2,877,314.01 = 1,007,119.86 : x
  2. Step 2: Convert to fraction form
    1,918,168.17/2,877,314.01 = 1,007,119.86/x
  3. Step 3: Cross multiply
    1,918,168.17x = 2,877,314.01 × 1,007,119.86
  4. Step 4: Simplify right side
    1,918,168.17x = 2,897,800,082,927.24
  5. Step 5: Solve for x
    x = 2,897,800,082,927.24/1,918,168.17
  6. Step 6: Final answer
    x = 1,510,712.21

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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.