Home / 1,892,859.20-2,839,288.80-1,738,030.40

Finding the Fourth Proportional to 1,892,859.20, 2,839,288.80 and 1,738,030.40

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Solution

The fourth proportional to 1,892,859.20, 2,839,288.80 and 1,738,030.40 is: 2,607,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,859.20 : 2,839,288.80 = 1,738,030.40 : x
  2. Step 2: Convert to fraction form
    1,892,859.20/2,839,288.80 = 1,738,030.40/x
  3. Step 3: Cross multiply
    1,892,859.20x = 2,839,288.80 × 1,738,030.40
  4. Step 4: Simplify right side
    1,892,859.20x = 4,934,770,248,779.52
  5. Step 5: Solve for x
    x = 4,934,770,248,779.52/1,892,859.20
  6. Step 6: Final answer
    x = 2,607,045.60

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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.