Home / 1,526,705.20-2,290,057.80-1,396,068.40

Finding the Fourth Proportional to 1,526,705.20, 2,290,057.80 and 1,396,068.40

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Solution

The fourth proportional to 1,526,705.20, 2,290,057.80 and 1,396,068.40 is: 2,094,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,705.20 : 2,290,057.80 = 1,396,068.40 : x
  2. Step 2: Convert to fraction form
    1,526,705.20/2,290,057.80 = 1,396,068.40/x
  3. Step 3: Cross multiply
    1,526,705.20x = 2,290,057.80 × 1,396,068.40
  4. Step 4: Simplify right side
    1,526,705.20x = 3,197,077,328,753.52
  5. Step 5: Solve for x
    x = 3,197,077,328,753.52/1,526,705.20
  6. Step 6: Final answer
    x = 2,094,102.60

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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.