Finding the Fourth Proportional to 5,425,929.84, 8,142,831.67 and 4,373,676.66
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Solution
The fourth proportional to 5,425,929.84, 8,142,831.67 and 4,373,676.66 is: 6,563,688.41
Step by Step Solution
- Step 1: Write the proportion equation
5,425,929.84 : 8,142,831.67 = 4,373,676.66 : x - Step 2: Convert to fraction form
5,425,929.84/8,142,831.67 = 4,373,676.66/x - Step 3: Cross multiply
5,425,929.84x = 8,142,831.67 × 4,373,676.66 - Step 4: Simplify right side
5,425,929.84x = 35,614,112,821,387.82 - Step 5: Solve for x
x = 35,614,112,821,387.82/5,425,929.84 - Step 6: Final answer
x = 6,563,688.41
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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.