Home / 2,128,828.07-3,191,518.02-1,453,207.88

Finding the Fourth Proportional to 2,128,828.07, 3,191,518.02 and 1,453,207.88

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Solution

The fourth proportional to 2,128,828.07, 3,191,518.02 and 1,453,207.88 is: 2,178,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,828.07 : 3,191,518.02 = 1,453,207.88 : x
  2. Step 2: Convert to fraction form
    2,128,828.07/3,191,518.02 = 1,453,207.88/x
  3. Step 3: Cross multiply
    2,128,828.07x = 3,191,518.02 × 1,453,207.88
  4. Step 4: Simplify right side
    2,128,828.07x = 4,637,939,135,826.00
  5. Step 5: Solve for x
    x = 4,637,939,135,826.00/2,128,828.07
  6. Step 6: Final answer
    x = 2,178,634.90

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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.