Finding the Fourth Proportional to 1,587,423.24, 2,190,990.72 and 976,102.08
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Solution
The fourth proportional to 1,587,423.24, 2,190,990.72 and 976,102.08 is: 1,347,234.02
Step by Step Solution
- Step 1: Write the proportion equation
1,587,423.24 : 2,190,990.72 = 976,102.08 : x - Step 2: Convert to fraction form
1,587,423.24/2,190,990.72 = 976,102.08/x - Step 3: Cross multiply
1,587,423.24x = 2,190,990.72 × 976,102.08 - Step 4: Simplify right side
1,587,423.24x = 2,138,630,599,052.70 - Step 5: Solve for x
x = 2,138,630,599,052.70/1,587,423.24 - Step 6: Final answer
x = 1,347,234.02
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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.