Home / 1,931,985.88-2,666,149.86-1,207,254.52

Finding the Fourth Proportional to 1,931,985.88, 2,666,149.86 and 1,207,254.52

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Solution

The fourth proportional to 1,931,985.88, 2,666,149.86 and 1,207,254.52 is: 1,666,017.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,985.88 : 2,666,149.86 = 1,207,254.52 : x
  2. Step 2: Convert to fraction form
    1,931,985.88/2,666,149.86 = 1,207,254.52/x
  3. Step 3: Cross multiply
    1,931,985.88x = 2,666,149.86 × 1,207,254.52
  4. Step 4: Simplify right side
    1,931,985.88x = 3,218,721,469,482.37
  5. Step 5: Solve for x
    x = 3,218,721,469,482.37/1,931,985.88
  6. Step 6: Final answer
    x = 1,666,017.08

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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.