Home / 3,075,602.40-4,613,403.60-831,740.40

Finding the Fourth Proportional to 3,075,602.40, 4,613,403.60 and 831,740.40

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Solution

The fourth proportional to 3,075,602.40, 4,613,403.60 and 831,740.40 is: 1,247,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075,602.40 : 4,613,403.60 = 831,740.40 : x
  2. Step 2: Convert to fraction form
    3,075,602.40/4,613,403.60 = 831,740.40/x
  3. Step 3: Cross multiply
    3,075,602.40x = 4,613,403.60 × 831,740.40
  4. Step 4: Simplify right side
    3,075,602.40x = 3,837,154,155,625.44
  5. Step 5: Solve for x
    x = 3,837,154,155,625.44/3,075,602.40
  6. Step 6: Final answer
    x = 1,247,610.60

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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.