Home / 1,521,207.40-2,281,811.10-1,510,709.80

Finding the Fourth Proportional to 1,521,207.40, 2,281,811.10 and 1,510,709.80

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Solution

The fourth proportional to 1,521,207.40, 2,281,811.10 and 1,510,709.80 is: 2,266,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,207.40 : 2,281,811.10 = 1,510,709.80 : x
  2. Step 2: Convert to fraction form
    1,521,207.40/2,281,811.10 = 1,510,709.80/x
  3. Step 3: Cross multiply
    1,521,207.40x = 2,281,811.10 × 1,510,709.80
  4. Step 4: Simplify right side
    1,521,207.40x = 3,447,154,390,518.78
  5. Step 5: Solve for x
    x = 3,447,154,390,518.78/1,521,207.40
  6. Step 6: Final answer
    x = 2,266,064.70

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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.