Home / 2,155,326.84-2,974,550.76-1,237,676.40

Finding the Fourth Proportional to 2,155,326.84, 2,974,550.76 and 1,237,676.40

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Solution

The fourth proportional to 2,155,326.84, 2,974,550.76 and 1,237,676.40 is: 1,708,108.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,326.84 : 2,974,550.76 = 1,237,676.40 : x
  2. Step 2: Convert to fraction form
    2,155,326.84/2,974,550.76 = 1,237,676.40/x
  3. Step 3: Cross multiply
    2,155,326.84x = 2,974,550.76 × 1,237,676.40
  4. Step 4: Simplify right side
    2,155,326.84x = 3,681,531,276,254.06
  5. Step 5: Solve for x
    x = 3,681,531,276,254.06/2,155,326.84
  6. Step 6: Final answer
    x = 1,708,108.12

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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.