Home / 2,358,018-3,253,911.75-1,390,926.60

Finding the Fourth Proportional to 2,358,018, 3,253,911.75 and 1,390,926.60

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Solution

The fourth proportional to 2,358,018, 3,253,911.75 and 1,390,926.60 is: 1,919,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358,018 : 3,253,911.75 = 1,390,926.60 : x
  2. Step 2: Convert to fraction form
    2,358,018/3,253,911.75 = 1,390,926.60/x
  3. Step 3: Cross multiply
    2,358,018x = 3,253,911.75 × 1,390,926.60
  4. Step 4: Simplify right side
    2,358,018x = 4,525,952,407,127.55
  5. Step 5: Solve for x
    x = 4,525,952,407,127.55/2,358,018
  6. Step 6: Final answer
    x = 1,919,388.40

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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.