Finding the Fourth Proportional to 1,701,973.98, 2,347,980.12 and 1,218,362.76
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Solution
The fourth proportional to 1,701,973.98, 2,347,980.12 and 1,218,362.76 is: 1,680,808.03
Step by Step Solution
- Step 1: Write the proportion equation
1,701,973.98 : 2,347,980.12 = 1,218,362.76 : x - Step 2: Convert to fraction form
1,701,973.98/2,347,980.12 = 1,218,362.76/x - Step 3: Cross multiply
1,701,973.98x = 2,347,980.12 × 1,218,362.76 - Step 4: Simplify right side
1,701,973.98x = 2,860,691,539,428.33 - Step 5: Solve for x
x = 2,860,691,539,428.33/1,701,973.98 - Step 6: Final answer
x = 1,680,808.03
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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.