Home / 5,185,701.63-7,778,552.45-1,399,184.51

Finding the Fourth Proportional to 5,185,701.63, 7,778,552.45 and 1,399,184.51

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Solution

The fourth proportional to 5,185,701.63, 7,778,552.45 and 1,399,184.51 is: 2,098,776.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,701.63 : 7,778,552.45 = 1,399,184.51 : x
  2. Step 2: Convert to fraction form
    5,185,701.63/7,778,552.45 = 1,399,184.51/x
  3. Step 3: Cross multiply
    5,185,701.63x = 7,778,552.45 × 1,399,184.51
  4. Step 4: Simplify right side
    5,185,701.63x = 10,883,630,080,153.64
  5. Step 5: Solve for x
    x = 10,883,630,080,153.64/5,185,701.63
  6. Step 6: Final answer
    x = 2,098,776.76

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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.