Home / 1,980,856.39-2,970,419.36-701,038.52

Finding the Fourth Proportional to 1,980,856.39, 2,970,419.36 and 701,038.52

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Solution

The fourth proportional to 1,980,856.39, 2,970,419.36 and 701,038.52 is: 1,051,251.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,856.39 : 2,970,419.36 = 701,038.52 : x
  2. Step 2: Convert to fraction form
    1,980,856.39/2,970,419.36 = 701,038.52/x
  3. Step 3: Cross multiply
    1,980,856.39x = 2,970,419.36 × 701,038.52
  4. Step 4: Simplify right side
    1,980,856.39x = 2,082,378,391,913.75
  5. Step 5: Solve for x
    x = 2,082,378,391,913.75/1,980,856.39
  6. Step 6: Final answer
    x = 1,051,251.57

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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.