Home / 2,118,341.21-3,177,484.27-520,918.25

Finding the Fourth Proportional to 2,118,341.21, 3,177,484.27 and 520,918.25

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Solution

The fourth proportional to 2,118,341.21, 3,177,484.27 and 520,918.25 is: 781,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,341.21 : 3,177,484.27 = 520,918.25 : x
  2. Step 2: Convert to fraction form
    2,118,341.21/3,177,484.27 = 520,918.25/x
  3. Step 3: Cross multiply
    2,118,341.21x = 3,177,484.27 × 520,918.25
  4. Step 4: Simplify right side
    2,118,341.21x = 1,655,209,528,141.21
  5. Step 5: Solve for x
    x = 1,655,209,528,141.21/2,118,341.21
  6. Step 6: Final answer
    x = 781,370.60

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Double scale
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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.