Home / 1,921,290.30-2,881,931.58-1,804,373.28

Finding the Fourth Proportional to 1,921,290.30, 2,881,931.58 and 1,804,373.28

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Solution

The fourth proportional to 1,921,290.30, 2,881,931.58 and 1,804,373.28 is: 2,706,556.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,290.30 : 2,881,931.58 = 1,804,373.28 : x
  2. Step 2: Convert to fraction form
    1,921,290.30/2,881,931.58 = 1,804,373.28/x
  3. Step 3: Cross multiply
    1,921,290.30x = 2,881,931.58 × 1,804,373.28
  4. Step 4: Simplify right side
    1,921,290.30x = 5,200,080,337,740.18
  5. Step 5: Solve for x
    x = 5,200,080,337,740.18/1,921,290.30
  6. Step 6: Final answer
    x = 2,706,556.29

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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.