Home / 2,075,237.70-3,112,856.55-1,273,920.90

Finding the Fourth Proportional to 2,075,237.70, 3,112,856.55 and 1,273,920.90

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Solution

The fourth proportional to 2,075,237.70, 3,112,856.55 and 1,273,920.90 is: 1,910,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,237.70 : 3,112,856.55 = 1,273,920.90 : x
  2. Step 2: Convert to fraction form
    2,075,237.70/3,112,856.55 = 1,273,920.90/x
  3. Step 3: Cross multiply
    2,075,237.70x = 3,112,856.55 × 1,273,920.90
  4. Step 4: Simplify right side
    2,075,237.70x = 3,965,533,017,746.89
  5. Step 5: Solve for x
    x = 3,965,533,017,746.89/2,075,237.70
  6. Step 6: Final answer
    x = 1,910,881.35

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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.