Home / 3,118,036.50-4,302,903.33-1,687,252.50

Finding the Fourth Proportional to 3,118,036.50, 4,302,903.33 and 1,687,252.50

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Solution

The fourth proportional to 3,118,036.50, 4,302,903.33 and 1,687,252.50 is: 2,328,415.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,036.50 : 4,302,903.33 = 1,687,252.50 : x
  2. Step 2: Convert to fraction form
    3,118,036.50/4,302,903.33 = 1,687,252.50/x
  3. Step 3: Cross multiply
    3,118,036.50x = 4,302,903.33 × 1,687,252.50
  4. Step 4: Simplify right side
    3,118,036.50x = 7,260,084,400,800.83
  5. Step 5: Solve for x
    x = 7,260,084,400,800.83/3,118,036.50
  6. Step 6: Final answer
    x = 2,328,415.46

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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.