Home / 1,915,896.60-2,643,955.74-1,056,487.32

Finding the Fourth Proportional to 1,915,896.60, 2,643,955.74 and 1,056,487.32

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Solution

The fourth proportional to 1,915,896.60, 2,643,955.74 and 1,056,487.32 is: 1,457,962.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,896.60 : 2,643,955.74 = 1,056,487.32 : x
  2. Step 2: Convert to fraction form
    1,915,896.60/2,643,955.74 = 1,056,487.32/x
  3. Step 3: Cross multiply
    1,915,896.60x = 2,643,955.74 × 1,056,487.32
  4. Step 4: Simplify right side
    1,915,896.60x = 2,793,305,713,951.22
  5. Step 5: Solve for x
    x = 2,793,305,713,951.22/1,915,896.60
  6. Step 6: Final answer
    x = 1,457,962.67

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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.