Home / 3,098,590.09-4,271,547.60-2,165,400.63

Finding the Fourth Proportional to 3,098,590.09, 4,271,547.60 and 2,165,400.63

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Solution

The fourth proportional to 3,098,590.09, 4,271,547.60 and 2,165,400.63 is: 2,985,103.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098,590.09 : 4,271,547.60 = 2,165,400.63 : x
  2. Step 2: Convert to fraction form
    3,098,590.09/4,271,547.60 = 2,165,400.63/x
  3. Step 3: Cross multiply
    3,098,590.09x = 4,271,547.60 × 2,165,400.63
  4. Step 4: Simplify right side
    3,098,590.09x = 9,249,611,864,114.99
  5. Step 5: Solve for x
    x = 9,249,611,864,114.99/3,098,590.09
  6. Step 6: Final answer
    x = 2,985,103.42

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Double scale
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1.5x scale

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.