Home / 1,712,911.65-2,362,748.70-1,101,860.81

Finding the Fourth Proportional to 1,712,911.65, 2,362,748.70 and 1,101,860.81

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Solution

The fourth proportional to 1,712,911.65, 2,362,748.70 and 1,101,860.81 is: 1,519,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,911.65 : 2,362,748.70 = 1,101,860.81 : x
  2. Step 2: Convert to fraction form
    1,712,911.65/2,362,748.70 = 1,101,860.81/x
  3. Step 3: Cross multiply
    1,712,911.65x = 2,362,748.70 × 1,101,860.81
  4. Step 4: Simplify right side
    1,712,911.65x = 2,603,420,196,408.45
  5. Step 5: Solve for x
    x = 2,603,420,196,408.45/1,712,911.65
  6. Step 6: Final answer
    x = 1,519,880.02

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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.