Finding the Fourth Proportional to 4,478,378.48, 6,717,363.60 and 1,445,884.28
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Solution
The fourth proportional to 4,478,378.48, 6,717,363.60 and 1,445,884.28 is: 2,168,760.52
Step by Step Solution
- Step 1: Write the proportion equation
4,478,378.48 : 6,717,363.60 = 1,445,884.28 : x - Step 2: Convert to fraction form
4,478,378.48/6,717,363.60 = 1,445,884.28/x - Step 3: Cross multiply
4,478,378.48x = 6,717,363.60 × 1,445,884.28 - Step 4: Simplify right side
4,478,378.48x = 9,712,530,432,284.21 - Step 5: Solve for x
x = 9,712,530,432,284.21/4,478,378.48 - Step 6: Final answer
x = 2,168,760.52
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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.