Home / 3,113,840.16-4,670,958-1,316,388.72

Finding the Fourth Proportional to 3,113,840.16, 4,670,958 and 1,316,388.72

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Solution

The fourth proportional to 3,113,840.16, 4,670,958 and 1,316,388.72 is: 1,974,666.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,840.16 : 4,670,958 = 1,316,388.72 : x
  2. Step 2: Convert to fraction form
    3,113,840.16/4,670,958 = 1,316,388.72/x
  3. Step 3: Cross multiply
    3,113,840.16x = 4,670,958 × 1,316,388.72
  4. Step 4: Simplify right side
    3,113,840.16x = 6,148,796,422,793.76
  5. Step 5: Solve for x
    x = 6,148,796,422,793.76/3,113,840.16
  6. Step 6: Final answer
    x = 1,974,666.68

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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.