Home / 1,980,856.65-2,970,419.72-701,038.76

Finding the Fourth Proportional to 1,980,856.65, 2,970,419.72 and 701,038.76

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Solution

The fourth proportional to 1,980,856.65, 2,970,419.72 and 701,038.76 is: 1,051,251.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,856.65 : 2,970,419.72 = 701,038.76 : x
  2. Step 2: Convert to fraction form
    1,980,856.65/2,970,419.72 = 701,038.76/x
  3. Step 3: Cross multiply
    1,980,856.65x = 2,970,419.72 × 701,038.76
  4. Step 4: Simplify right side
    1,980,856.65x = 2,082,379,357,188.35
  5. Step 5: Solve for x
    x = 2,082,379,357,188.35/1,980,856.65
  6. Step 6: Final answer
    x = 1,051,251.92

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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.