Finding the Fourth Proportional to 5,035,857.60, 6,949,266.18 and 2,860,393.98
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Solution
The fourth proportional to 5,035,857.60, 6,949,266.18 and 2,860,393.98 is: 3,947,220.26
Step by Step Solution
- Step 1: Write the proportion equation
5,035,857.60 : 6,949,266.18 = 2,860,393.98 : x - Step 2: Convert to fraction form
5,035,857.60/6,949,266.18 = 2,860,393.98/x - Step 3: Cross multiply
5,035,857.60x = 6,949,266.18 × 2,860,393.98 - Step 4: Simplify right side
5,035,857.60x = 19,877,639,146,689.59 - Step 5: Solve for x
x = 19,877,639,146,689.59/5,035,857.60 - Step 6: Final answer
x = 3,947,220.26
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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.