Home / 3,139,618.40-4,709,427.60-2,075,861.60

Finding the Fourth Proportional to 3,139,618.40, 4,709,427.60 and 2,075,861.60

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Solution

The fourth proportional to 3,139,618.40, 4,709,427.60 and 2,075,861.60 is: 3,113,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,618.40 : 4,709,427.60 = 2,075,861.60 : x
  2. Step 2: Convert to fraction form
    3,139,618.40/4,709,427.60 = 2,075,861.60/x
  3. Step 3: Cross multiply
    3,139,618.40x = 4,709,427.60 × 2,075,861.60
  4. Step 4: Simplify right side
    3,139,618.40x = 9,776,119,912,820.16
  5. Step 5: Solve for x
    x = 9,776,119,912,820.16/3,139,618.40
  6. Step 6: Final answer
    x = 3,113,792.40

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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.