Home / 1,892,409.87-2,838,655.11-678,065.82

Finding the Fourth Proportional to 1,892,409.87, 2,838,655.11 and 678,065.82

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Solution

The fourth proportional to 1,892,409.87, 2,838,655.11 and 678,065.82 is: 1,017,113.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,409.87 : 2,838,655.11 = 678,065.82 : x
  2. Step 2: Convert to fraction form
    1,892,409.87/2,838,655.11 = 678,065.82/x
  3. Step 3: Cross multiply
    1,892,409.87x = 2,838,655.11 × 678,065.82
  4. Step 4: Simplify right side
    1,892,409.87x = 1,924,795,004,859.34
  5. Step 5: Solve for x
    x = 1,924,795,004,859.34/1,892,409.87
  6. Step 6: Final answer
    x = 1,017,113.17

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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.