Home / 1,869,023.80-2,803,535.70-1,851,309.10

Finding the Fourth Proportional to 1,869,023.80, 2,803,535.70 and 1,851,309.10

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Solution

The fourth proportional to 1,869,023.80, 2,803,535.70 and 1,851,309.10 is: 2,776,963.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,023.80 : 2,803,535.70 = 1,851,309.10 : x
  2. Step 2: Convert to fraction form
    1,869,023.80/2,803,535.70 = 1,851,309.10/x
  3. Step 3: Cross multiply
    1,869,023.80x = 2,803,535.70 × 1,851,309.10
  4. Step 4: Simplify right side
    1,869,023.80x = 5,190,211,153,584.87
  5. Step 5: Solve for x
    x = 5,190,211,153,584.87/1,869,023.80
  6. Step 6: Final answer
    x = 2,776,963.65

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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.