Finding the Fourth Proportional to 1,604,213.76, 2,406,294.81 and 389,799.99
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Solution
The fourth proportional to 1,604,213.76, 2,406,294.81 and 389,799.99 is: 584,693.71
Step by Step Solution
- Step 1: Write the proportion equation
1,604,213.76 : 2,406,294.81 = 389,799.99 : x - Step 2: Convert to fraction form
1,604,213.76/2,406,294.81 = 389,799.99/x - Step 3: Cross multiply
1,604,213.76x = 2,406,294.81 × 389,799.99 - Step 4: Simplify right side
1,604,213.76x = 937,973,692,875.05 - Step 5: Solve for x
x = 937,973,692,875.05/1,604,213.76 - Step 6: Final answer
x = 584,693.71
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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.