Home / 3,436,920.32-4,742,951.86-1,888,281.82

Finding the Fourth Proportional to 3,436,920.32, 4,742,951.86 and 1,888,281.82

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Solution

The fourth proportional to 3,436,920.32, 4,742,951.86 and 1,888,281.82 is: 2,605,829.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,920.32 : 4,742,951.86 = 1,888,281.82 : x
  2. Step 2: Convert to fraction form
    3,436,920.32/4,742,951.86 = 1,888,281.82/x
  3. Step 3: Cross multiply
    3,436,920.32x = 4,742,951.86 × 1,888,281.82
  4. Step 4: Simplify right side
    3,436,920.32x = 8,956,029,778,662.23
  5. Step 5: Solve for x
    x = 8,956,029,778,662.23/3,436,920.32
  6. Step 6: Final answer
    x = 2,605,829.92

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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.