Home / 2,020,531.37-2,787,458.63-1,235,631.75

Finding the Fourth Proportional to 2,020,531.37, 2,787,458.63 and 1,235,631.75

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Solution

The fourth proportional to 2,020,531.37, 2,787,458.63 and 1,235,631.75 is: 1,704,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,531.37 : 2,787,458.63 = 1,235,631.75 : x
  2. Step 2: Convert to fraction form
    2,020,531.37/2,787,458.63 = 1,235,631.75/x
  3. Step 3: Cross multiply
    2,020,531.37x = 2,787,458.63 × 1,235,631.75
  4. Step 4: Simplify right side
    2,020,531.37x = 3,444,272,385,039.50
  5. Step 5: Solve for x
    x = 3,444,272,385,039.50/2,020,531.37
  6. Step 6: Final answer
    x = 1,704,636.93

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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.