Home / 3,877,712.40-5,819,225.64-1,353,367.68

Finding the Fourth Proportional to 3,877,712.40, 5,819,225.64 and 1,353,367.68

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Solution

The fourth proportional to 3,877,712.40, 5,819,225.64 and 1,353,367.68 is: 2,030,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877,712.40 : 5,819,225.64 = 1,353,367.68 : x
  2. Step 2: Convert to fraction form
    3,877,712.40/5,819,225.64 = 1,353,367.68/x
  3. Step 3: Cross multiply
    3,877,712.40x = 5,819,225.64 × 1,353,367.68
  4. Step 4: Simplify right side
    3,877,712.40x = 7,875,551,903,803.32
  5. Step 5: Solve for x
    x = 7,875,551,903,803.32/3,877,712.40
  6. Step 6: Final answer
    x = 2,030,978.86

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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.