Home / 2,590,799.40-3,886,199.10-817,871.40

Finding the Fourth Proportional to 2,590,799.40, 3,886,199.10 and 817,871.40

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Solution

The fourth proportional to 2,590,799.40, 3,886,199.10 and 817,871.40 is: 1,226,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,799.40 : 3,886,199.10 = 817,871.40 : x
  2. Step 2: Convert to fraction form
    2,590,799.40/3,886,199.10 = 817,871.40/x
  3. Step 3: Cross multiply
    2,590,799.40x = 3,886,199.10 × 817,871.40
  4. Step 4: Simplify right side
    2,590,799.40x = 3,178,411,098,595.74
  5. Step 5: Solve for x
    x = 3,178,411,098,595.74/2,590,799.40
  6. Step 6: Final answer
    x = 1,226,807.10

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.