Home / 3,120,602.60-4,677,404.70-1,603,699.40

Finding the Fourth Proportional to 3,120,602.60, 4,677,404.70 and 1,603,699.40

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Solution

The fourth proportional to 3,120,602.60, 4,677,404.70 and 1,603,699.40 is: 2,403,750.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,602.60 : 4,677,404.70 = 1,603,699.40 : x
  2. Step 2: Convert to fraction form
    3,120,602.60/4,677,404.70 = 1,603,699.40/x
  3. Step 3: Cross multiply
    3,120,602.60x = 4,677,404.70 × 1,603,699.40
  4. Step 4: Simplify right side
    3,120,602.60x = 7,501,151,110,947.18
  5. Step 5: Solve for x
    x = 7,501,151,110,947.18/3,120,602.60
  6. Step 6: Final answer
    x = 2,403,750.84

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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.