Home / 2,130,569.55-3,196,303.13-691,140.56

Finding the Fourth Proportional to 2,130,569.55, 3,196,303.13 and 691,140.56

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Solution

The fourth proportional to 2,130,569.55, 3,196,303.13 and 691,140.56 is: 1,036,856.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,569.55 : 3,196,303.13 = 691,140.56 : x
  2. Step 2: Convert to fraction form
    2,130,569.55/3,196,303.13 = 691,140.56/x
  3. Step 3: Cross multiply
    2,130,569.55x = 3,196,303.13 × 691,140.56
  4. Step 4: Simplify right side
    2,130,569.55x = 2,209,094,720,944.29
  5. Step 5: Solve for x
    x = 2,209,094,720,944.29/2,130,569.55
  6. Step 6: Final answer
    x = 1,036,856.42

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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.