Home / 3,009,064.32-4,152,436.44-1,666,378.80

Finding the Fourth Proportional to 3,009,064.32, 4,152,436.44 and 1,666,378.80

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Solution

The fourth proportional to 3,009,064.32, 4,152,436.44 and 1,666,378.80 is: 2,299,562.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009,064.32 : 4,152,436.44 = 1,666,378.80 : x
  2. Step 2: Convert to fraction form
    3,009,064.32/4,152,436.44 = 1,666,378.80/x
  3. Step 3: Cross multiply
    3,009,064.32x = 4,152,436.44 × 1,666,378.80
  4. Step 4: Simplify right side
    3,009,064.32x = 6,919,532,051,963.47
  5. Step 5: Solve for x
    x = 6,919,532,051,963.47/3,009,064.32
  6. Step 6: Final answer
    x = 2,299,562.69

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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.