Home / 2,520,632.58-3,478,457.03-1,432,904.21

Finding the Fourth Proportional to 2,520,632.58, 3,478,457.03 and 1,432,904.21

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Solution

The fourth proportional to 2,520,632.58, 3,478,457.03 and 1,432,904.21 is: 1,977,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,632.58 : 3,478,457.03 = 1,432,904.21 : x
  2. Step 2: Convert to fraction form
    2,520,632.58/3,478,457.03 = 1,432,904.21/x
  3. Step 3: Cross multiply
    2,520,632.58x = 3,478,457.03 × 1,432,904.21
  4. Step 4: Simplify right side
    2,520,632.58x = 4,984,295,719,138.59
  5. Step 5: Solve for x
    x = 4,984,295,719,138.59/2,520,632.58
  6. Step 6: Final answer
    x = 1,977,398.76

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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.