Home / 6,413,780.65-9,621,120-2,575,602.94

Finding the Fourth Proportional to 6,413,780.65, 9,621,120 and 2,575,602.94

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Solution

The fourth proportional to 6,413,780.65, 9,621,120 and 2,575,602.94 is: 3,863,584.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413,780.65 : 9,621,120 = 2,575,602.94 : x
  2. Step 2: Convert to fraction form
    6,413,780.65/9,621,120 = 2,575,602.94/x
  3. Step 3: Cross multiply
    6,413,780.65x = 9,621,120 × 2,575,602.94
  4. Step 4: Simplify right side
    6,413,780.65x = 24,780,184,909,987.20
  5. Step 5: Solve for x
    x = 24,780,184,909,987.20/6,413,780.65
  6. Step 6: Final answer
    x = 3,863,584.72

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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.