Home / 1,999,328.43-2,759,064.91-1,081,555.32

Finding the Fourth Proportional to 1,999,328.43, 2,759,064.91 and 1,081,555.32

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Solution

The fourth proportional to 1,999,328.43, 2,759,064.91 and 1,081,555.32 is: 1,492,541.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,328.43 : 2,759,064.91 = 1,081,555.32 : x
  2. Step 2: Convert to fraction form
    1,999,328.43/2,759,064.91 = 1,081,555.32/x
  3. Step 3: Cross multiply
    1,999,328.43x = 2,759,064.91 × 1,081,555.32
  4. Step 4: Simplify right side
    1,999,328.43x = 2,984,081,331,635.82
  5. Step 5: Solve for x
    x = 2,984,081,331,635.82/1,999,328.43
  6. Step 6: Final answer
    x = 1,492,541.84

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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.