Home / 3,128,000-4,316,663.04-1,697,216

Finding the Fourth Proportional to 3,128,000, 4,316,663.04 and 1,697,216

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Solution

The fourth proportional to 3,128,000, 4,316,663.04 and 1,697,216 is: 2,342,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,000 : 4,316,663.04 = 1,697,216 : x
  2. Step 2: Convert to fraction form
    3,128,000/4,316,663.04 = 1,697,216/x
  3. Step 3: Cross multiply
    3,128,000x = 4,316,663.04 × 1,697,216
  4. Step 4: Simplify right side
    3,128,000x = 7,326,309,578,096.64
  5. Step 5: Solve for x
    x = 7,326,309,578,096.64/3,128,000
  6. Step 6: Final answer
    x = 2,342,170.58

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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.