Home / 3,072,377.78-4,608,567.15-828,516.02

Finding the Fourth Proportional to 3,072,377.78, 4,608,567.15 and 828,516.02

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Solution

The fourth proportional to 3,072,377.78, 4,608,567.15 and 828,516.02 is: 1,242,774.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,377.78 : 4,608,567.15 = 828,516.02 : x
  2. Step 2: Convert to fraction form
    3,072,377.78/4,608,567.15 = 828,516.02/x
  3. Step 3: Cross multiply
    3,072,377.78x = 4,608,567.15 × 828,516.02
  4. Step 4: Simplify right side
    3,072,377.78x = 3,818,271,713,020.74
  5. Step 5: Solve for x
    x = 3,818,271,713,020.74/3,072,377.78
  6. Step 6: Final answer
    x = 1,242,774.16

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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.