Home / 3,127,555.21-4,316,542.59-2,146,688.44

Finding the Fourth Proportional to 3,127,555.21, 4,316,542.59 and 2,146,688.44

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Solution

The fourth proportional to 3,127,555.21, 4,316,542.59 and 2,146,688.44 is: 2,962,784.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,555.21 : 4,316,542.59 = 2,146,688.44 : x
  2. Step 2: Convert to fraction form
    3,127,555.21/4,316,542.59 = 2,146,688.44/x
  3. Step 3: Cross multiply
    3,127,555.21x = 4,316,542.59 × 2,146,688.44
  4. Step 4: Simplify right side
    3,127,555.21x = 9,266,272,078,720.66
  5. Step 5: Solve for x
    x = 9,266,272,078,720.66/3,127,555.21
  6. Step 6: Final answer
    x = 2,962,784.49

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Double scale
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1.5x scale

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.