Finding the Fourth Proportional to 2,292,656.40, 3,438,109.80 and 694,688.40
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Solution
The fourth proportional to 2,292,656.40, 3,438,109.80 and 694,688.40 is: 1,041,767.53
Step by Step Solution
- Step 1: Write the proportion equation
2,292,656.40 : 3,438,109.80 = 694,688.40 : x - Step 2: Convert to fraction form
2,292,656.40/3,438,109.80 = 694,688.40/x - Step 3: Cross multiply
2,292,656.40x = 3,438,109.80 × 694,688.40 - Step 4: Simplify right side
2,292,656.40x = 2,388,414,995,986.32 - Step 5: Solve for x
x = 2,388,414,995,986.32/2,292,656.40 - Step 6: Final answer
x = 1,041,767.53
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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.