Home / 5,130,812.97-7,080,522.53-2,807,705.93

Finding the Fourth Proportional to 5,130,812.97, 7,080,522.53 and 2,807,705.93

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Solution

The fourth proportional to 5,130,812.97, 7,080,522.53 and 2,807,705.93 is: 3,874,634.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130,812.97 : 7,080,522.53 = 2,807,705.93 : x
  2. Step 2: Convert to fraction form
    5,130,812.97/7,080,522.53 = 2,807,705.93/x
  3. Step 3: Cross multiply
    5,130,812.97x = 7,080,522.53 × 2,807,705.93
  4. Step 4: Simplify right side
    5,130,812.97x = 19,880,025,045,538.46
  5. Step 5: Solve for x
    x = 19,880,025,045,538.46/5,130,812.97
  6. Step 6: Final answer
    x = 3,874,634.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.