Home / 6,980,087.40-10,470,262.20-2,187,670.56

Finding the Fourth Proportional to 6,980,087.40, 10,470,262.20 and 2,187,670.56

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Solution

The fourth proportional to 6,980,087.40, 10,470,262.20 and 2,187,670.56 is: 3,281,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980,087.40 : 10,470,262.20 = 2,187,670.56 : x
  2. Step 2: Convert to fraction form
    6,980,087.40/10,470,262.20 = 2,187,670.56/x
  3. Step 3: Cross multiply
    6,980,087.40x = 10,470,262.20 × 2,187,670.56
  4. Step 4: Simplify right side
    6,980,087.40x = 22,905,484,370,420.83
  5. Step 5: Solve for x
    x = 22,905,484,370,420.83/6,980,087.40
  6. Step 6: Final answer
    x = 3,281,546.93

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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.