Home / 5,602,131.20-8,403,196.80-3,688,943.60

Finding the Fourth Proportional to 5,602,131.20, 8,403,196.80 and 3,688,943.60

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Solution

The fourth proportional to 5,602,131.20, 8,403,196.80 and 3,688,943.60 is: 5,533,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602,131.20 : 8,403,196.80 = 3,688,943.60 : x
  2. Step 2: Convert to fraction form
    5,602,131.20/8,403,196.80 = 3,688,943.60/x
  3. Step 3: Cross multiply
    5,602,131.20x = 8,403,196.80 × 3,688,943.60
  4. Step 4: Simplify right side
    5,602,131.20x = 30,998,919,054,900.48
  5. Step 5: Solve for x
    x = 30,998,919,054,900.48/5,602,131.20
  6. Step 6: Final answer
    x = 5,533,415.40

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Similar ratio
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1.5x scale

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.