Home / 1,977,184.63-2,963,740.60-778,621.15

Finding the Fourth Proportional to 1,977,184.63, 2,963,740.60 and 778,621.15

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Solution

The fourth proportional to 1,977,184.63, 2,963,740.60 and 778,621.15 is: 1,167,129.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,184.63 : 2,963,740.60 = 778,621.15 : x
  2. Step 2: Convert to fraction form
    1,977,184.63/2,963,740.60 = 778,621.15/x
  3. Step 3: Cross multiply
    1,977,184.63x = 2,963,740.60 × 778,621.15
  4. Step 4: Simplify right side
    1,977,184.63x = 2,307,631,114,273.69
  5. Step 5: Solve for x
    x = 2,307,631,114,273.69/1,977,184.63
  6. Step 6: Final answer
    x = 1,167,129.81

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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.