Home / 2,129,117.00-2,938,143.51-1,211,326.38

Finding the Fourth Proportional to 2,129,117.00, 2,938,143.51 and 1,211,326.38

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Solution

The fourth proportional to 2,129,117.00, 2,938,143.51 and 1,211,326.38 is: 1,671,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,117.00 : 2,938,143.51 = 1,211,326.38 : x
  2. Step 2: Convert to fraction form
    2,129,117.00/2,938,143.51 = 1,211,326.38/x
  3. Step 3: Cross multiply
    2,129,117.00x = 2,938,143.51 × 1,211,326.38
  4. Step 4: Simplify right side
    2,129,117.00x = 3,559,050,741,888.79
  5. Step 5: Solve for x
    x = 3,559,050,741,888.79/2,129,117.00
  6. Step 6: Final answer
    x = 1,671,608.82

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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.