Home / 1,898,159.88-2,619,460.88-1,038,720.20

Finding the Fourth Proportional to 1,898,159.88, 2,619,460.88 and 1,038,720.20

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Solution

The fourth proportional to 1,898,159.88, 2,619,460.88 and 1,038,720.20 is: 1,433,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,159.88 : 2,619,460.88 = 1,038,720.20 : x
  2. Step 2: Convert to fraction form
    1,898,159.88/2,619,460.88 = 1,038,720.20/x
  3. Step 3: Cross multiply
    1,898,159.88x = 2,619,460.88 × 1,038,720.20
  4. Step 4: Simplify right side
    1,898,159.88x = 2,720,886,929,165.78
  5. Step 5: Solve for x
    x = 2,720,886,929,165.78/1,898,159.88
  6. Step 6: Final answer
    x = 1,433,434.01

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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.