Home / 3,980,045.64-5,970,133.26-1,140,146.76

Finding the Fourth Proportional to 3,980,045.64, 5,970,133.26 and 1,140,146.76

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Solution

The fourth proportional to 3,980,045.64, 5,970,133.26 and 1,140,146.76 is: 1,710,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,045.64 : 5,970,133.26 = 1,140,146.76 : x
  2. Step 2: Convert to fraction form
    3,980,045.64/5,970,133.26 = 1,140,146.76/x
  3. Step 3: Cross multiply
    3,980,045.64x = 5,970,133.26 × 1,140,146.76
  4. Step 4: Simplify right side
    3,980,045.64x = 6,806,828,093,157.24
  5. Step 5: Solve for x
    x = 6,806,828,093,157.24/3,980,045.64
  6. Step 6: Final answer
    x = 1,710,238.70

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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.