Finding the Fourth Proportional to 1,512,048.75, 2,268,116.87 and 390,117.75
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Solution
The fourth proportional to 1,512,048.75, 2,268,116.87 and 390,117.75 is: 585,187.91
Step by Step Solution
- Step 1: Write the proportion equation
1,512,048.75 : 2,268,116.87 = 390,117.75 : x - Step 2: Convert to fraction form
1,512,048.75/2,268,116.87 = 390,117.75/x - Step 3: Cross multiply
1,512,048.75x = 2,268,116.87 × 390,117.75 - Step 4: Simplify right side
1,512,048.75x = 884,832,648,110.85 - Step 5: Solve for x
x = 884,832,648,110.85/1,512,048.75 - Step 6: Final answer
x = 585,187.91
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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.