Home / 1,900,859.34-2,621,084.40-1,211,440.08

Finding the Fourth Proportional to 1,900,859.34, 2,621,084.40 and 1,211,440.08

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Solution

The fourth proportional to 1,900,859.34, 2,621,084.40 and 1,211,440.08 is: 1,670,448.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,859.34 : 2,621,084.40 = 1,211,440.08 : x
  2. Step 2: Convert to fraction form
    1,900,859.34/2,621,084.40 = 1,211,440.08/x
  3. Step 3: Cross multiply
    1,900,859.34x = 2,621,084.40 × 1,211,440.08
  4. Step 4: Simplify right side
    1,900,859.34x = 3,175,286,695,222.75
  5. Step 5: Solve for x
    x = 3,175,286,695,222.75/1,900,859.34
  6. Step 6: Final answer
    x = 1,670,448.01

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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.