Home / 6,970,990.84-10,456,494.48-2,178,705.22

Finding the Fourth Proportional to 6,970,990.84, 10,456,494.48 and 2,178,705.22

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Solution

The fourth proportional to 6,970,990.84, 10,456,494.48 and 2,178,705.22 is: 3,268,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970,990.84 : 10,456,494.48 = 2,178,705.22 : x
  2. Step 2: Convert to fraction form
    6,970,990.84/10,456,494.48 = 2,178,705.22/x
  3. Step 3: Cross multiply
    6,970,990.84x = 10,456,494.48 × 2,178,705.22
  4. Step 4: Simplify right side
    6,970,990.84x = 22,781,619,106,477.19
  5. Step 5: Solve for x
    x = 22,781,619,106,477.19/6,970,990.84
  6. Step 6: Final answer
    x = 3,268,060.40

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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.