Home / 1,971,015.30-2,956,522.95-1,572,434.55

Finding the Fourth Proportional to 1,971,015.30, 2,956,522.95 and 1,572,434.55

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Solution

The fourth proportional to 1,971,015.30, 2,956,522.95 and 1,572,434.55 is: 2,358,651.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,015.30 : 2,956,522.95 = 1,572,434.55 : x
  2. Step 2: Convert to fraction form
    1,971,015.30/2,956,522.95 = 1,572,434.55/x
  3. Step 3: Cross multiply
    1,971,015.30x = 2,956,522.95 × 1,572,434.55
  4. Step 4: Simplify right side
    1,971,015.30x = 4,648,938,834,447.92
  5. Step 5: Solve for x
    x = 4,648,938,834,447.92/1,971,015.30
  6. Step 6: Final answer
    x = 2,358,651.83

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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.