Home / 1,550,034.87-2,140,091.95-1,386,183.01

Finding the Fourth Proportional to 1,550,034.87, 2,140,091.95 and 1,386,183.01

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Solution

The fourth proportional to 1,550,034.87, 2,140,091.95 and 1,386,183.01 is: 1,913,866.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,034.87 : 2,140,091.95 = 1,386,183.01 : x
  2. Step 2: Convert to fraction form
    1,550,034.87/2,140,091.95 = 1,386,183.01/x
  3. Step 3: Cross multiply
    1,550,034.87x = 2,140,091.95 × 1,386,183.01
  4. Step 4: Simplify right side
    1,550,034.87x = 2,966,559,100,927.77
  5. Step 5: Solve for x
    x = 2,966,559,100,927.77/1,550,034.87
  6. Step 6: Final answer
    x = 1,913,866.04

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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.