Home / 2,029,498.16-2,798,775.45-1,213,572.20

Finding the Fourth Proportional to 2,029,498.16, 2,798,775.45 and 1,213,572.20

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Solution

The fourth proportional to 2,029,498.16, 2,798,775.45 and 1,213,572.20 is: 1,673,574.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029,498.16 : 2,798,775.45 = 1,213,572.20 : x
  2. Step 2: Convert to fraction form
    2,029,498.16/2,798,775.45 = 1,213,572.20/x
  3. Step 3: Cross multiply
    2,029,498.16x = 2,798,775.45 × 1,213,572.20
  4. Step 4: Simplify right side
    2,029,498.16x = 3,396,516,066,168.61
  5. Step 5: Solve for x
    x = 3,396,516,066,168.61/2,029,498.16
  6. Step 6: Final answer
    x = 1,673,574.36

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1.5x scale

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.