Home / 3,163,842.90-4,745,756.72-767,685.51

Finding the Fourth Proportional to 3,163,842.90, 4,745,756.72 and 767,685.51

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Solution

The fourth proportional to 3,163,842.90, 4,745,756.72 and 767,685.51 is: 1,151,526.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163,842.90 : 4,745,756.72 = 767,685.51 : x
  2. Step 2: Convert to fraction form
    3,163,842.90/4,745,756.72 = 767,685.51/x
  3. Step 3: Cross multiply
    3,163,842.90x = 4,745,756.72 × 767,685.51
  4. Step 4: Simplify right side
    3,163,842.90x = 3,643,248,669,848.34
  5. Step 5: Solve for x
    x = 3,643,248,669,848.34/3,163,842.90
  6. Step 6: Final answer
    x = 1,151,526.41

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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.