Home / 3,143,348.40-4,708,801.80-1,877,415.60

Finding the Fourth Proportional to 3,143,348.40, 4,708,801.80 and 1,877,415.60

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Solution

The fourth proportional to 3,143,348.40, 4,708,801.80 and 1,877,415.60 is: 2,812,407.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,348.40 : 4,708,801.80 = 1,877,415.60 : x
  2. Step 2: Convert to fraction form
    3,143,348.40/4,708,801.80 = 1,877,415.60/x
  3. Step 3: Cross multiply
    3,143,348.40x = 4,708,801.80 × 1,877,415.60
  4. Step 4: Simplify right side
    3,143,348.40x = 8,840,377,956,628.08
  5. Step 5: Solve for x
    x = 8,840,377,956,628.08/3,143,348.40
  6. Step 6: Final answer
    x = 2,812,407.93

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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.