Home / 5,279,746.83-7,919,649.41-1,913,866.35

Finding the Fourth Proportional to 5,279,746.83, 7,919,649.41 and 1,913,866.35

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Solution

The fourth proportional to 5,279,746.83, 7,919,649.41 and 1,913,866.35 is: 2,870,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279,746.83 : 7,919,649.41 = 1,913,866.35 : x
  2. Step 2: Convert to fraction form
    5,279,746.83/7,919,649.41 = 1,913,866.35/x
  3. Step 3: Cross multiply
    5,279,746.83x = 7,919,649.41 × 1,913,866.35
  4. Step 4: Simplify right side
    5,279,746.83x = 15,157,150,500,027.02
  5. Step 5: Solve for x
    x = 15,157,150,500,027.02/5,279,746.83
  6. Step 6: Final answer
    x = 2,870,810.10

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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.