Home / 6,409,985.42-8,845,443.90-3,508,820.57

Finding the Fourth Proportional to 6,409,985.42, 8,845,443.90 and 3,508,820.57

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Solution

The fourth proportional to 6,409,985.42, 8,845,443.90 and 3,508,820.57 is: 4,841,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409,985.42 : 8,845,443.90 = 3,508,820.57 : x
  2. Step 2: Convert to fraction form
    6,409,985.42/8,845,443.90 = 3,508,820.57/x
  3. Step 3: Cross multiply
    6,409,985.42x = 8,845,443.90 × 3,508,820.57
  4. Step 4: Simplify right side
    6,409,985.42x = 31,037,075,529,214.63
  5. Step 5: Solve for x
    x = 31,037,075,529,214.63/6,409,985.42
  6. Step 6: Final answer
    x = 4,841,988.47

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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.