Home / 1,984,578.60-2,973,111.72-1,172,534.58

Finding the Fourth Proportional to 1,984,578.60, 2,973,111.72 and 1,172,534.58

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Solution

The fourth proportional to 1,984,578.60, 2,973,111.72 and 1,172,534.58 is: 1,756,582.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,578.60 : 2,973,111.72 = 1,172,534.58 : x
  2. Step 2: Convert to fraction form
    1,984,578.60/2,973,111.72 = 1,172,534.58/x
  3. Step 3: Cross multiply
    1,984,578.60x = 2,973,111.72 × 1,172,534.58
  4. Step 4: Simplify right side
    1,984,578.60x = 3,486,076,301,903.28
  5. Step 5: Solve for x
    x = 3,486,076,301,903.28/1,984,578.60
  6. Step 6: Final answer
    x = 1,756,582.63

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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.