Home / 3,533,605.60-5,300,408.40-2,980,645.60

Finding the Fourth Proportional to 3,533,605.60, 5,300,408.40 and 2,980,645.60

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Solution

The fourth proportional to 3,533,605.60, 5,300,408.40 and 2,980,645.60 is: 4,470,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533,605.60 : 5,300,408.40 = 2,980,645.60 : x
  2. Step 2: Convert to fraction form
    3,533,605.60/5,300,408.40 = 2,980,645.60/x
  3. Step 3: Cross multiply
    3,533,605.60x = 5,300,408.40 × 2,980,645.60
  4. Step 4: Simplify right side
    3,533,605.60x = 15,798,638,975,663.04
  5. Step 5: Solve for x
    x = 15,798,638,975,663.04/3,533,605.60
  6. Step 6: Final answer
    x = 4,470,968.40

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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.