Home / 1,970,619.60-2,957,095.80-1,298,643.60

Finding the Fourth Proportional to 1,970,619.60, 2,957,095.80 and 1,298,643.60

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Solution

The fourth proportional to 1,970,619.60, 2,957,095.80 and 1,298,643.60 is: 1,948,734.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,619.60 : 2,957,095.80 = 1,298,643.60 : x
  2. Step 2: Convert to fraction form
    1,970,619.60/2,957,095.80 = 1,298,643.60/x
  3. Step 3: Cross multiply
    1,970,619.60x = 2,957,095.80 × 1,298,643.60
  4. Step 4: Simplify right side
    1,970,619.60x = 3,840,213,535,256.88
  5. Step 5: Solve for x
    x = 3,840,213,535,256.88/1,970,619.60
  6. Step 6: Final answer
    x = 1,948,734.06

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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.