Finding the Fourth Proportional to 2,072,349.40, 2,859,646.80 and 1,154,484.94
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Solution
The fourth proportional to 2,072,349.40, 2,859,646.80 and 1,154,484.94 is: 1,593,080.38
Step by Step Solution
- Step 1: Write the proportion equation
2,072,349.40 : 2,859,646.80 = 1,154,484.94 : x - Step 2: Convert to fraction form
2,072,349.40/2,859,646.80 = 1,154,484.94/x - Step 3: Cross multiply
2,072,349.40x = 2,859,646.80 × 1,154,484.94 - Step 4: Simplify right side
2,072,349.40x = 3,301,419,164,319.19 - Step 5: Solve for x
x = 3,301,419,164,319.19/2,072,349.40 - Step 6: Final answer
x = 1,593,080.38
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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.