Home / 2,907,272.22-4,360,564.89-777,521.40

Finding the Fourth Proportional to 2,907,272.22, 4,360,564.89 and 777,521.40

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Solution

The fourth proportional to 2,907,272.22, 4,360,564.89 and 777,521.40 is: 1,166,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,272.22 : 4,360,564.89 = 777,521.40 : x
  2. Step 2: Convert to fraction form
    2,907,272.22/4,360,564.89 = 777,521.40/x
  3. Step 3: Cross multiply
    2,907,272.22x = 4,360,564.89 × 777,521.40
  4. Step 4: Simplify right side
    2,907,272.22x = 3,390,432,518,063.65
  5. Step 5: Solve for x
    x = 3,390,432,518,063.65/2,907,272.22
  6. Step 6: Final answer
    x = 1,166,190.25

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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.