Home / 1,970,521.20-2,955,781.80-1,651,656.60

Finding the Fourth Proportional to 1,970,521.20, 2,955,781.80 and 1,651,656.60

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Solution

The fourth proportional to 1,970,521.20, 2,955,781.80 and 1,651,656.60 is: 2,477,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,521.20 : 2,955,781.80 = 1,651,656.60 : x
  2. Step 2: Convert to fraction form
    1,970,521.20/2,955,781.80 = 1,651,656.60/x
  3. Step 3: Cross multiply
    1,970,521.20x = 2,955,781.80 × 1,651,656.60
  4. Step 4: Simplify right side
    1,970,521.20x = 4,881,936,518,129.88
  5. Step 5: Solve for x
    x = 4,881,936,518,129.88/1,970,521.20
  6. Step 6: Final answer
    x = 2,477,484.90

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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.