Home / 3,155,206.21-4,731,125.49-1,637,360.89

Finding the Fourth Proportional to 3,155,206.21, 4,731,125.49 and 1,637,360.89

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Solution

The fourth proportional to 3,155,206.21, 4,731,125.49 and 1,637,360.89 is: 2,455,167.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,206.21 : 4,731,125.49 = 1,637,360.89 : x
  2. Step 2: Convert to fraction form
    3,155,206.21/4,731,125.49 = 1,637,360.89/x
  3. Step 3: Cross multiply
    3,155,206.21x = 4,731,125.49 × 1,637,360.89
  4. Step 4: Simplify right side
    3,155,206.21x = 7,746,559,843,008.09
  5. Step 5: Solve for x
    x = 7,746,559,843,008.09/3,155,206.21
  6. Step 6: Final answer
    x = 2,455,167.53

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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.