Home / 2,856,395.71-4,285,285.80-1,642,749.10

Finding the Fourth Proportional to 2,856,395.71, 4,285,285.80 and 1,642,749.10

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Solution

The fourth proportional to 2,856,395.71, 4,285,285.80 and 1,642,749.10 is: 2,464,521.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,395.71 : 4,285,285.80 = 1,642,749.10 : x
  2. Step 2: Convert to fraction form
    2,856,395.71/4,285,285.80 = 1,642,749.10/x
  3. Step 3: Cross multiply
    2,856,395.71x = 4,285,285.80 × 1,642,749.10
  4. Step 4: Simplify right side
    2,856,395.71x = 7,039,649,400,156.76
  5. Step 5: Solve for x
    x = 7,039,649,400,156.76/2,856,395.71
  6. Step 6: Final answer
    x = 2,464,521.77

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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.