Finding the Fourth Proportional to 1,497,394.68, 2,066,400.08 and 818,331.20
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Solution
The fourth proportional to 1,497,394.68, 2,066,400.08 and 818,331.20 is: 1,129,294.55
Step by Step Solution
- Step 1: Write the proportion equation
1,497,394.68 : 2,066,400.08 = 818,331.20 : x - Step 2: Convert to fraction form
1,497,394.68/2,066,400.08 = 818,331.20/x - Step 3: Cross multiply
1,497,394.68x = 2,066,400.08 × 818,331.20 - Step 4: Simplify right side
1,497,394.68x = 1,690,999,657,146.50 - Step 5: Solve for x
x = 1,690,999,657,146.50/1,497,394.68 - Step 6: Final answer
x = 1,129,294.55
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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.