Home / 1,977,346.60-2,965,436.70-778,870.60

Finding the Fourth Proportional to 1,977,346.60, 2,965,436.70 and 778,870.60

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Solution

The fourth proportional to 1,977,346.60, 2,965,436.70 and 778,870.60 is: 1,168,076.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,346.60 : 2,965,436.70 = 778,870.60 : x
  2. Step 2: Convert to fraction form
    1,977,346.60/2,965,436.70 = 778,870.60/x
  3. Step 3: Cross multiply
    1,977,346.60x = 2,965,436.70 × 778,870.60
  4. Step 4: Simplify right side
    1,977,346.60x = 2,309,691,461,791.02
  5. Step 5: Solve for x
    x = 2,309,691,461,791.02/1,977,346.60
  6. Step 6: Final answer
    x = 1,168,076.18

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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.