Home / 5,221,275.92-7,831,914.36-1,855,615.76

Finding the Fourth Proportional to 5,221,275.92, 7,831,914.36 and 1,855,615.76

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Solution

The fourth proportional to 5,221,275.92, 7,831,914.36 and 1,855,615.76 is: 2,783,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,275.92 : 7,831,914.36 = 1,855,615.76 : x
  2. Step 2: Convert to fraction form
    5,221,275.92/7,831,914.36 = 1,855,615.76/x
  3. Step 3: Cross multiply
    5,221,275.92x = 7,831,914.36 × 1,855,615.76
  4. Step 4: Simplify right side
    5,221,275.92x = 14,533,023,717,386.31
  5. Step 5: Solve for x
    x = 14,533,023,717,386.31/5,221,275.92
  6. Step 6: Final answer
    x = 2,783,423.81

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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.