Home / 3,012,830.50-4,158,309.56-1,789,815.45

Finding the Fourth Proportional to 3,012,830.50, 4,158,309.56 and 1,789,815.45

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Solution

The fourth proportional to 3,012,830.50, 4,158,309.56 and 1,789,815.45 is: 2,470,303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,830.50 : 4,158,309.56 = 1,789,815.45 : x
  2. Step 2: Convert to fraction form
    3,012,830.50/4,158,309.56 = 1,789,815.45/x
  3. Step 3: Cross multiply
    3,012,830.50x = 4,158,309.56 × 1,789,815.45
  4. Step 4: Simplify right side
    3,012,830.50x = 7,442,606,696,370.70
  5. Step 5: Solve for x
    x = 7,442,606,696,370.70/3,012,830.50
  6. Step 6: Final answer
    x = 2,470,303.82

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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.