Finding the Fourth Proportional to 6,401,487.44, 8,837,264.88 and 4,947,897.92
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Solution
The fourth proportional to 6,401,487.44, 8,837,264.88 and 4,947,897.92 is: 6,830,581.94
Step by Step Solution
- Step 1: Write the proportion equation
6,401,487.44 : 8,837,264.88 = 4,947,897.92 : x - Step 2: Convert to fraction form
6,401,487.44/8,837,264.88 = 4,947,897.92/x - Step 3: Cross multiply
6,401,487.44x = 8,837,264.88 × 4,947,897.92 - Step 4: Simplify right side
6,401,487.44x = 43,725,884,518,241.05 - Step 5: Solve for x
x = 43,725,884,518,241.05/6,401,487.44 - Step 6: Final answer
x = 6,830,581.94
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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.