Finding the Fourth Proportional to 2,217,602.86, 3,059,713.63 and 1,299,338.62
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Solution
The fourth proportional to 2,217,602.86, 3,059,713.63 and 1,299,338.62 is: 1,792,748.45
Step by Step Solution
- Step 1: Write the proportion equation
2,217,602.86 : 3,059,713.63 = 1,299,338.62 : x - Step 2: Convert to fraction form
2,217,602.86/3,059,713.63 = 1,299,338.62/x - Step 3: Cross multiply
2,217,602.86x = 3,059,713.63 × 1,299,338.62 - Step 4: Simplify right side
2,217,602.86x = 3,975,604,091,241.08 - Step 5: Solve for x
x = 3,975,604,091,241.08/2,217,602.86 - Step 6: Final answer
x = 1,792,748.45
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1.5x scale
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.