Finding the Fourth Proportional to 1,687,286.14, 2,531,308.93 and 534,602.03
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Solution
The fourth proportional to 1,687,286.14, 2,531,308.93 and 534,602.03 is: 802,023.35
Step by Step Solution
- Step 1: Write the proportion equation
1,687,286.14 : 2,531,308.93 = 534,602.03 : x - Step 2: Convert to fraction form
1,687,286.14/2,531,308.93 = 534,602.03/x - Step 3: Cross multiply
1,687,286.14x = 2,531,308.93 × 534,602.03 - Step 4: Simplify right side
1,687,286.14x = 1,353,242,878,542.08 - Step 5: Solve for x
x = 1,353,242,878,542.08/1,687,286.14 - Step 6: Final answer
x = 802,023.35
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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.