Finding the Fourth Proportional to 1,979,929.62, 2,730,237.57 and 1,174,958.10
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Solution
The fourth proportional to 1,979,929.62, 2,730,237.57 and 1,174,958.10 is: 1,620,216.55
Step by Step Solution
- Step 1: Write the proportion equation
1,979,929.62 : 2,730,237.57 = 1,174,958.10 : x - Step 2: Convert to fraction form
1,979,929.62/2,730,237.57 = 1,174,958.10/x - Step 3: Cross multiply
1,979,929.62x = 2,730,237.57 × 1,174,958.10 - Step 4: Simplify right side
1,979,929.62x = 3,207,914,747,795.82 - Step 5: Solve for x
x = 3,207,914,747,795.82/1,979,929.62 - Step 6: Final answer
x = 1,620,216.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.