Home / 4,984,850.10-7,477,165.80-1,390,515.60

Finding the Fourth Proportional to 4,984,850.10, 7,477,165.80 and 1,390,515.60

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Solution

The fourth proportional to 4,984,850.10, 7,477,165.80 and 1,390,515.60 is: 2,085,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984,850.10 : 7,477,165.80 = 1,390,515.60 : x
  2. Step 2: Convert to fraction form
    4,984,850.10/7,477,165.80 = 1,390,515.60/x
  3. Step 3: Cross multiply
    4,984,850.10x = 7,477,165.80 × 1,390,515.60
  4. Step 4: Simplify right side
    4,984,850.10x = 10,397,115,688,686.48
  5. Step 5: Solve for x
    x = 10,397,115,688,686.48/4,984,850.10
  6. Step 6: Final answer
    x = 2,085,742.90

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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.