Home / 2,911,664.31-4,018,112.74-1,688,695.03

Finding the Fourth Proportional to 2,911,664.31, 4,018,112.74 and 1,688,695.03

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Solution

The fourth proportional to 2,911,664.31, 4,018,112.74 and 1,688,695.03 is: 2,330,408.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,664.31 : 4,018,112.74 = 1,688,695.03 : x
  2. Step 2: Convert to fraction form
    2,911,664.31/4,018,112.74 = 1,688,695.03/x
  3. Step 3: Cross multiply
    2,911,664.31x = 4,018,112.74 × 1,688,695.03
  4. Step 4: Simplify right side
    2,911,664.31x = 6,785,367,014,017.68
  5. Step 5: Solve for x
    x = 6,785,367,014,017.68/2,911,664.31
  6. Step 6: Final answer
    x = 2,330,408.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.