Home / 1,977,188.64-2,963,746.60-778,625.16

Finding the Fourth Proportional to 1,977,188.64, 2,963,746.60 and 778,625.16

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Solution

The fourth proportional to 1,977,188.64, 2,963,746.60 and 778,625.16 is: 1,167,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,188.64 : 2,963,746.60 = 778,625.16 : x
  2. Step 2: Convert to fraction form
    1,977,188.64/2,963,746.60 = 778,625.16/x
  3. Step 3: Cross multiply
    1,977,188.64x = 2,963,746.60 × 778,625.16
  4. Step 4: Simplify right side
    1,977,188.64x = 2,307,647,670,624.46
  5. Step 5: Solve for x
    x = 2,307,647,670,624.46/1,977,188.64
  6. Step 6: Final answer
    x = 1,167,135.81

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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.