Home / 1,819,721.90-2,729,345.65-540,303.64

Finding the Fourth Proportional to 1,819,721.90, 2,729,345.65 and 540,303.64

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Solution

The fourth proportional to 1,819,721.90, 2,729,345.65 and 540,303.64 is: 810,385.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,721.90 : 2,729,345.65 = 540,303.64 : x
  2. Step 2: Convert to fraction form
    1,819,721.90/2,729,345.65 = 540,303.64/x
  3. Step 3: Cross multiply
    1,819,721.90x = 2,729,345.65 × 540,303.64
  4. Step 4: Simplify right side
    1,819,721.90x = 1,474,675,381,339.04
  5. Step 5: Solve for x
    x = 1,474,675,381,339.04/1,819,721.90
  6. Step 6: Final answer
    x = 810,385.03

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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.