Home / 2,975,507.10-4,105,912.50-1,668,812.88

Finding the Fourth Proportional to 2,975,507.10, 4,105,912.50 and 1,668,812.88

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Solution

The fourth proportional to 2,975,507.10, 4,105,912.50 and 1,668,812.88 is: 2,302,800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975,507.10 : 4,105,912.50 = 1,668,812.88 : x
  2. Step 2: Convert to fraction form
    2,975,507.10/4,105,912.50 = 1,668,812.88/x
  3. Step 3: Cross multiply
    2,975,507.10x = 4,105,912.50 × 1,668,812.88
  4. Step 4: Simplify right side
    2,975,507.10x = 6,851,999,664,153
  5. Step 5: Solve for x
    x = 6,851,999,664,153/2,975,507.10
  6. Step 6: Final answer
    x = 2,302,800.64

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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.