Home / 1,643,185.16-2,267,553.74-918,038.32

Finding the Fourth Proportional to 1,643,185.16, 2,267,553.74 and 918,038.32

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Solution

The fourth proportional to 1,643,185.16, 2,267,553.74 and 918,038.32 is: 1,266,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,185.16 : 2,267,553.74 = 918,038.32 : x
  2. Step 2: Convert to fraction form
    1,643,185.16/2,267,553.74 = 918,038.32/x
  3. Step 3: Cross multiply
    1,643,185.16x = 2,267,553.74 × 918,038.32
  4. Step 4: Simplify right side
    1,643,185.16x = 2,081,701,225,979.32
  5. Step 5: Solve for x
    x = 2,081,701,225,979.32/1,643,185.16
  6. Step 6: Final answer
    x = 1,266,869.54

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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.