Home / 5,261,075.86-7,891,520.28-1,666,749.37

Finding the Fourth Proportional to 5,261,075.86, 7,891,520.28 and 1,666,749.37

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Solution

The fourth proportional to 5,261,075.86, 7,891,520.28 and 1,666,749.37 is: 2,500,094.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261,075.86 : 7,891,520.28 = 1,666,749.37 : x
  2. Step 2: Convert to fraction form
    5,261,075.86/7,891,520.28 = 1,666,749.37/x
  3. Step 3: Cross multiply
    5,261,075.86x = 7,891,520.28 × 1,666,749.37
  4. Step 4: Simplify right side
    5,261,075.86x = 13,153,186,455,032.22
  5. Step 5: Solve for x
    x = 13,153,186,455,032.22/5,261,075.86
  6. Step 6: Final answer
    x = 2,500,094.43

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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.