Home / 3,120,389.10-4,677,084.45-1,603,485.90

Finding the Fourth Proportional to 3,120,389.10, 4,677,084.45 and 1,603,485.90

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Solution

The fourth proportional to 3,120,389.10, 4,677,084.45 and 1,603,485.90 is: 2,403,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,389.10 : 4,677,084.45 = 1,603,485.90 : x
  2. Step 2: Convert to fraction form
    3,120,389.10/4,677,084.45 = 1,603,485.90/x
  3. Step 3: Cross multiply
    3,120,389.10x = 4,677,084.45 × 1,603,485.90
  4. Step 4: Simplify right side
    3,120,389.10x = 7,499,638,968,684.26
  5. Step 5: Solve for x
    x = 7,499,638,968,684.26/3,120,389.10
  6. Step 6: Final answer
    x = 2,403,430.70

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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.