Home / 2,607,762.60-3,911,643.90-1,977,906.60

Finding the Fourth Proportional to 2,607,762.60, 3,911,643.90 and 1,977,906.60

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Solution

The fourth proportional to 2,607,762.60, 3,911,643.90 and 1,977,906.60 is: 2,966,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607,762.60 : 3,911,643.90 = 1,977,906.60 : x
  2. Step 2: Convert to fraction form
    2,607,762.60/3,911,643.90 = 1,977,906.60/x
  3. Step 3: Cross multiply
    2,607,762.60x = 3,911,643.90 × 1,977,906.60
  4. Step 4: Simplify right side
    2,607,762.60x = 7,736,866,286,659.74
  5. Step 5: Solve for x
    x = 7,736,866,286,659.74/2,607,762.60
  6. Step 6: Final answer
    x = 2,966,859.90

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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.