Home / 5,917,335.12-8,870,673.69-2,128,153.50

Finding the Fourth Proportional to 5,917,335.12, 8,870,673.69 and 2,128,153.50

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Solution

The fourth proportional to 5,917,335.12, 8,870,673.69 and 2,128,153.50 is: 3,190,313.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917,335.12 : 8,870,673.69 = 2,128,153.50 : x
  2. Step 2: Convert to fraction form
    5,917,335.12/8,870,673.69 = 2,128,153.50/x
  3. Step 3: Cross multiply
    5,917,335.12x = 8,870,673.69 × 2,128,153.50
  4. Step 4: Simplify right side
    5,917,335.12x = 18,878,155,260,731.41
  5. Step 5: Solve for x
    x = 18,878,155,260,731.41/5,917,335.12
  6. Step 6: Final answer
    x = 3,190,313.69

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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.