Home / 4,351,421.80-6,528,515.10-1,954,340.20

Finding the Fourth Proportional to 4,351,421.80, 6,528,515.10 and 1,954,340.20

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Solution

The fourth proportional to 4,351,421.80, 6,528,515.10 and 1,954,340.20 is: 2,932,131.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,351,421.80 : 6,528,515.10 = 1,954,340.20 : x
  2. Step 2: Convert to fraction form
    4,351,421.80/6,528,515.10 = 1,954,340.20/x
  3. Step 3: Cross multiply
    4,351,421.80x = 6,528,515.10 × 1,954,340.20
  4. Step 4: Simplify right side
    4,351,421.80x = 12,758,939,506,237.02
  5. Step 5: Solve for x
    x = 12,758,939,506,237.02/4,351,421.80
  6. Step 6: Final answer
    x = 2,932,131.17

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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.