Home / 1,868,368.32-2,578,538.70-1,143,694.86

Finding the Fourth Proportional to 1,868,368.32, 2,578,538.70 and 1,143,694.86

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Solution

The fourth proportional to 1,868,368.32, 2,578,538.70 and 1,143,694.86 is: 1,578,415.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,368.32 : 2,578,538.70 = 1,143,694.86 : x
  2. Step 2: Convert to fraction form
    1,868,368.32/2,578,538.70 = 1,143,694.86/x
  3. Step 3: Cross multiply
    1,868,368.32x = 2,578,538.70 × 1,143,694.86
  4. Step 4: Simplify right side
    1,868,368.32x = 2,949,061,457,501.08
  5. Step 5: Solve for x
    x = 2,949,061,457,501.08/1,868,368.32
  6. Step 6: Final answer
    x = 1,578,415.47

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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.