Home / 1,551,888.46-2,141,900.85-971,380.90

Finding the Fourth Proportional to 1,551,888.46, 2,141,900.85 and 971,380.90

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Solution

The fourth proportional to 1,551,888.46, 2,141,900.85 and 971,380.90 is: 1,340,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,888.46 : 2,141,900.85 = 971,380.90 : x
  2. Step 2: Convert to fraction form
    1,551,888.46/2,141,900.85 = 971,380.90/x
  3. Step 3: Cross multiply
    1,551,888.46x = 2,141,900.85 × 971,380.90
  4. Step 4: Simplify right side
    1,551,888.46x = 2,080,601,575,383.77
  5. Step 5: Solve for x
    x = 2,080,601,575,383.77/1,551,888.46
  6. Step 6: Final answer
    x = 1,340,690.15

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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.