Home / 2,560,864.86-3,533,690.34-1,528,181.28

Finding the Fourth Proportional to 2,560,864.86, 3,533,690.34 and 1,528,181.28

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Solution

The fourth proportional to 2,560,864.86, 3,533,690.34 and 1,528,181.28 is: 2,108,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560,864.86 : 3,533,690.34 = 1,528,181.28 : x
  2. Step 2: Convert to fraction form
    2,560,864.86/3,533,690.34 = 1,528,181.28/x
  3. Step 3: Cross multiply
    2,560,864.86x = 3,533,690.34 × 1,528,181.28
  4. Step 4: Simplify right side
    2,560,864.86x = 5,400,119,426,904.84
  5. Step 5: Solve for x
    x = 5,400,119,426,904.84/2,560,864.86
  6. Step 6: Final answer
    x = 2,108,709.25

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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.