Home / 5,075,285.12-7,003,901.72-2,783,459.76

Finding the Fourth Proportional to 5,075,285.12, 7,003,901.72 and 2,783,459.76

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Solution

The fourth proportional to 5,075,285.12, 7,003,901.72 and 2,783,459.76 is: 3,841,179.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075,285.12 : 7,003,901.72 = 2,783,459.76 : x
  2. Step 2: Convert to fraction form
    5,075,285.12/7,003,901.72 = 2,783,459.76/x
  3. Step 3: Cross multiply
    5,075,285.12x = 7,003,901.72 × 2,783,459.76
  4. Step 4: Simplify right side
    5,075,285.12x = 19,495,078,600,614.79
  5. Step 5: Solve for x
    x = 19,495,078,600,614.79/5,075,285.12
  6. Step 6: Final answer
    x = 3,841,179.00

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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.