Home / 2,509,766.88-3,762,986.04-912,140.16

Finding the Fourth Proportional to 2,509,766.88, 3,762,986.04 and 912,140.16

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Solution

The fourth proportional to 2,509,766.88, 3,762,986.04 and 912,140.16 is: 1,367,605.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509,766.88 : 3,762,986.04 = 912,140.16 : x
  2. Step 2: Convert to fraction form
    2,509,766.88/3,762,986.04 = 912,140.16/x
  3. Step 3: Cross multiply
    2,509,766.88x = 3,762,986.04 × 912,140.16
  4. Step 4: Simplify right side
    2,509,766.88x = 3,432,370,688,603.37
  5. Step 5: Solve for x
    x = 3,432,370,688,603.37/2,509,766.88
  6. Step 6: Final answer
    x = 1,367,605.38

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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.