Home / 4,579,947.70-6,869,921.55-1,214,494.90

Finding the Fourth Proportional to 4,579,947.70, 6,869,921.55 and 1,214,494.90

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Solution

The fourth proportional to 4,579,947.70, 6,869,921.55 and 1,214,494.90 is: 1,821,742.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579,947.70 : 6,869,921.55 = 1,214,494.90 : x
  2. Step 2: Convert to fraction form
    4,579,947.70/6,869,921.55 = 1,214,494.90/x
  3. Step 3: Cross multiply
    4,579,947.70x = 6,869,921.55 × 1,214,494.90
  4. Step 4: Simplify right side
    4,579,947.70x = 8,343,484,685,875.09
  5. Step 5: Solve for x
    x = 8,343,484,685,875.09/4,579,947.70
  6. Step 6: Final answer
    x = 1,821,742.35

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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.