Finding the Fourth Proportional to 5,409,489.36, 7,465,273.08 and 2,962,203.12
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Solution
The fourth proportional to 5,409,489.36, 7,465,273.08 and 2,962,203.12 is: 4,087,937.65
Step by Step Solution
- Step 1: Write the proportion equation
5,409,489.36 : 7,465,273.08 = 2,962,203.12 : x - Step 2: Convert to fraction form
5,409,489.36/7,465,273.08 = 2,962,203.12/x - Step 3: Cross multiply
5,409,489.36x = 7,465,273.08 × 2,962,203.12 - Step 4: Simplify right side
5,409,489.36x = 22,113,655,209,228.01 - Step 5: Solve for x
x = 22,113,655,209,228.01/5,409,489.36 - Step 6: Final answer
x = 4,087,937.65
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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.