Home / 2,958,881.13-4,438,365.42-828,830.61

Finding the Fourth Proportional to 2,958,881.13, 4,438,365.42 and 828,830.61

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Solution

The fourth proportional to 2,958,881.13, 4,438,365.42 and 828,830.61 is: 1,243,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958,881.13 : 4,438,365.42 = 828,830.61 : x
  2. Step 2: Convert to fraction form
    2,958,881.13/4,438,365.42 = 828,830.61/x
  3. Step 3: Cross multiply
    2,958,881.13x = 4,438,365.42 × 828,830.61
  4. Step 4: Simplify right side
    2,958,881.13x = 3,678,653,118,461.51
  5. Step 5: Solve for x
    x = 3,678,653,118,461.51/2,958,881.13
  6. Step 6: Final answer
    x = 1,243,258.16

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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.