Home / 1,969,443.60-2,955,331.80-1,435,621.20

Finding the Fourth Proportional to 1,969,443.60, 2,955,331.80 and 1,435,621.20

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Solution

The fourth proportional to 1,969,443.60, 2,955,331.80 and 1,435,621.20 is: 2,154,282.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,443.60 : 2,955,331.80 = 1,435,621.20 : x
  2. Step 2: Convert to fraction form
    1,969,443.60/2,955,331.80 = 1,435,621.20/x
  3. Step 3: Cross multiply
    1,969,443.60x = 2,955,331.80 × 1,435,621.20
  4. Step 4: Simplify right side
    1,969,443.60x = 4,242,736,985,114.16
  5. Step 5: Solve for x
    x = 4,242,736,985,114.16/1,969,443.60
  6. Step 6: Final answer
    x = 2,154,282.04

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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.