Finding the Fourth Proportional to 1,587,260.91, 2,190,044.81 and 933,915.45
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Solution
The fourth proportional to 1,587,260.91, 2,190,044.81 and 933,915.45 is: 1,288,582.53
Step by Step Solution
- Step 1: Write the proportion equation
1,587,260.91 : 2,190,044.81 = 933,915.45 : x - Step 2: Convert to fraction form
1,587,260.91/2,190,044.81 = 933,915.45/x - Step 3: Cross multiply
1,587,260.91x = 2,190,044.81 × 933,915.45 - Step 4: Simplify right side
1,587,260.91x = 2,045,316,684,251.31 - Step 5: Solve for x
x = 2,045,316,684,251.31/1,587,260.91 - Step 6: Final answer
x = 1,288,582.53
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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.