Finding the Fourth Proportional to 1,992,552.18, 2,989,703.08 and 1,045,701.48
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Solution
The fourth proportional to 1,992,552.18, 2,989,703.08 and 1,045,701.48 is: 1,569,011.32
Step by Step Solution
- Step 1: Write the proportion equation
1,992,552.18 : 2,989,703.08 = 1,045,701.48 : x - Step 2: Convert to fraction form
1,992,552.18/2,989,703.08 = 1,045,701.48/x - Step 3: Cross multiply
1,992,552.18x = 2,989,703.08 × 1,045,701.48 - Step 4: Simplify right side
1,992,552.18x = 3,126,336,935,516.56 - Step 5: Solve for x
x = 3,126,336,935,516.56/1,992,552.18 - Step 6: Final answer
x = 1,569,011.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.