Home / 2,518,365.36-3,475,242.78-1,372,421.10

Finding the Fourth Proportional to 2,518,365.36, 3,475,242.78 and 1,372,421.10

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Solution

The fourth proportional to 2,518,365.36, 3,475,242.78 and 1,372,421.10 is: 1,893,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,365.36 : 3,475,242.78 = 1,372,421.10 : x
  2. Step 2: Convert to fraction form
    2,518,365.36/3,475,242.78 = 1,372,421.10/x
  3. Step 3: Cross multiply
    2,518,365.36x = 3,475,242.78 × 1,372,421.10
  4. Step 4: Simplify right side
    2,518,365.36x = 4,769,496,518,894.66
  5. Step 5: Solve for x
    x = 4,769,496,518,894.66/2,518,365.36
  6. Step 6: Final answer
    x = 1,893,885.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.