Home / 4,743,300.77-7,117,784.81-4,357,390.18

Finding the Fourth Proportional to 4,743,300.77, 7,117,784.81 and 4,357,390.18

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Solution

The fourth proportional to 4,743,300.77, 7,117,784.81 and 4,357,390.18 is: 6,538,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743,300.77 : 7,117,784.81 = 4,357,390.18 : x
  2. Step 2: Convert to fraction form
    4,743,300.77/7,117,784.81 = 4,357,390.18/x
  3. Step 3: Cross multiply
    4,743,300.77x = 7,117,784.81 × 4,357,390.18
  4. Step 4: Simplify right side
    4,743,300.77x = 31,014,965,649,062.14
  5. Step 5: Solve for x
    x = 31,014,965,649,062.14/4,743,300.77
  6. Step 6: Final answer
    x = 6,538,688.38

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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.