Home / 1,870,111.31-2,582,034.32-1,191,966.35

Finding the Fourth Proportional to 1,870,111.31, 2,582,034.32 and 1,191,966.35

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Solution

The fourth proportional to 1,870,111.31, 2,582,034.32 and 1,191,966.35 is: 1,645,729.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,111.31 : 2,582,034.32 = 1,191,966.35 : x
  2. Step 2: Convert to fraction form
    1,870,111.31/2,582,034.32 = 1,191,966.35/x
  3. Step 3: Cross multiply
    1,870,111.31x = 2,582,034.32 × 1,191,966.35
  4. Step 4: Simplify right side
    1,870,111.31x = 3,077,698,018,025.30
  5. Step 5: Solve for x
    x = 3,077,698,018,025.30/1,870,111.31
  6. Step 6: Final answer
    x = 1,645,729.86

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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.