Home / 2,832,900.72-3,909,403.16-1,543,740.76

Finding the Fourth Proportional to 2,832,900.72, 3,909,403.16 and 1,543,740.76

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Solution

The fourth proportional to 2,832,900.72, 3,909,403.16 and 1,543,740.76 is: 2,130,362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832,900.72 : 3,909,403.16 = 1,543,740.76 : x
  2. Step 2: Convert to fraction form
    2,832,900.72/3,909,403.16 = 1,543,740.76/x
  3. Step 3: Cross multiply
    2,832,900.72x = 3,909,403.16 × 1,543,740.76
  4. Step 4: Simplify right side
    2,832,900.72x = 6,035,105,005,364.80
  5. Step 5: Solve for x
    x = 6,035,105,005,364.80/2,832,900.72
  6. Step 6: Final answer
    x = 2,130,362.34

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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.