Home / 1,851,917.80-2,555,632.74-1,047,130.60

Finding the Fourth Proportional to 1,851,917.80, 2,555,632.74 and 1,047,130.60

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Solution

The fourth proportional to 1,851,917.80, 2,555,632.74 and 1,047,130.60 is: 1,445,032.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,917.80 : 2,555,632.74 = 1,047,130.60 : x
  2. Step 2: Convert to fraction form
    1,851,917.80/2,555,632.74 = 1,047,130.60/x
  3. Step 3: Cross multiply
    1,851,917.80x = 2,555,632.74 × 1,047,130.60
  4. Step 4: Simplify right side
    1,851,917.80x = 2,676,081,244,415.84
  5. Step 5: Solve for x
    x = 2,676,081,244,415.84/1,851,917.80
  6. Step 6: Final answer
    x = 1,445,032.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.