Home / 5,065,521.63-6,990,431.13-2,742,438.66

Finding the Fourth Proportional to 5,065,521.63, 6,990,431.13 and 2,742,438.66

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Solution

The fourth proportional to 5,065,521.63, 6,990,431.13 and 2,742,438.66 is: 3,784,571.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065,521.63 : 6,990,431.13 = 2,742,438.66 : x
  2. Step 2: Convert to fraction form
    5,065,521.63/6,990,431.13 = 2,742,438.66/x
  3. Step 3: Cross multiply
    5,065,521.63x = 6,990,431.13 × 2,742,438.66
  4. Step 4: Simplify right side
    5,065,521.63x = 19,170,828,580,979.49
  5. Step 5: Solve for x
    x = 19,170,828,580,979.49/5,065,521.63
  6. Step 6: Final answer
    x = 3,784,571.46

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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.