Home / 2,628,750.25-3,627,675.55-1,421,526.25

Finding the Fourth Proportional to 2,628,750.25, 3,627,675.55 and 1,421,526.25

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Solution

The fourth proportional to 2,628,750.25, 3,627,675.55 and 1,421,526.25 is: 1,961,706.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,750.25 : 3,627,675.55 = 1,421,526.25 : x
  2. Step 2: Convert to fraction form
    2,628,750.25/3,627,675.55 = 1,421,526.25/x
  3. Step 3: Cross multiply
    2,628,750.25x = 3,627,675.55 × 1,421,526.25
  4. Step 4: Simplify right side
    2,628,750.25x = 5,156,836,020,808.19
  5. Step 5: Solve for x
    x = 5,156,836,020,808.19/2,628,750.25
  6. Step 6: Final answer
    x = 1,961,706.34

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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.