Home / 6,390,811.78-8,819,379.93-3,637,364.10

Finding the Fourth Proportional to 6,390,811.78, 8,819,379.93 and 3,637,364.10

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Solution

The fourth proportional to 6,390,811.78, 8,819,379.93 and 3,637,364.10 is: 5,019,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,811.78 : 8,819,379.93 = 3,637,364.10 : x
  2. Step 2: Convert to fraction form
    6,390,811.78/8,819,379.93 = 3,637,364.10/x
  3. Step 3: Cross multiply
    6,390,811.78x = 8,819,379.93 × 3,637,364.10
  4. Step 4: Simplify right side
    6,390,811.78x = 32,079,295,941,642.51
  5. Step 5: Solve for x
    x = 32,079,295,941,642.51/6,390,811.78
  6. Step 6: Final answer
    x = 5,019,596.42

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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.