Finding the Fourth Proportional to 1,990,996.74, 2,986,506.99 and 495,088.74
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Solution
The fourth proportional to 1,990,996.74, 2,986,506.99 and 495,088.74 is: 742,636.06
Step by Step Solution
- Step 1: Write the proportion equation
1,990,996.74 : 2,986,506.99 = 495,088.74 : x - Step 2: Convert to fraction form
1,990,996.74/2,986,506.99 = 495,088.74/x - Step 3: Cross multiply
1,990,996.74x = 2,986,506.99 × 495,088.74 - Step 4: Simplify right side
1,990,996.74x = 1,478,585,982,680.29 - Step 5: Solve for x
x = 1,478,585,982,680.29/1,990,996.74 - Step 6: Final answer
x = 742,636.06
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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.