Home / 3,420,772.02-4,720,698.63-1,892,875.50

Finding the Fourth Proportional to 3,420,772.02, 4,720,698.63 and 1,892,875.50

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Solution

The fourth proportional to 3,420,772.02, 4,720,698.63 and 1,892,875.50 is: 2,612,186.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,772.02 : 4,720,698.63 = 1,892,875.50 : x
  2. Step 2: Convert to fraction form
    3,420,772.02/4,720,698.63 = 1,892,875.50/x
  3. Step 3: Cross multiply
    3,420,772.02x = 4,720,698.63 × 1,892,875.50
  4. Step 4: Simplify right side
    3,420,772.02x = 8,935,694,779,610.57
  5. Step 5: Solve for x
    x = 8,935,694,779,610.57/3,420,772.02
  6. Step 6: Final answer
    x = 2,612,186.58

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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.