Home / 1,643,196.89-2,267,569.85-918,050.03

Finding the Fourth Proportional to 1,643,196.89, 2,267,569.85 and 918,050.03

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Solution

The fourth proportional to 1,643,196.89, 2,267,569.85 and 918,050.03 is: 1,266,885.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,196.89 : 2,267,569.85 = 918,050.03 : x
  2. Step 2: Convert to fraction form
    1,643,196.89/2,267,569.85 = 918,050.03/x
  3. Step 3: Cross multiply
    1,643,196.89x = 2,267,569.85 × 918,050.03
  4. Step 4: Simplify right side
    1,643,196.89x = 2,081,742,552,891.50
  5. Step 5: Solve for x
    x = 2,081,742,552,891.50/1,643,196.89
  6. Step 6: Final answer
    x = 1,266,885.64

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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.