Finding the Fourth Proportional to 5,122,378.94, 7,068,605.40 and 2,830,392
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Solution
The fourth proportional to 5,122,378.94, 7,068,605.40 and 2,830,392 is: 3,905,787.61
Step by Step Solution
- Step 1: Write the proportion equation
5,122,378.94 : 7,068,605.40 = 2,830,392 : x - Step 2: Convert to fraction form
5,122,378.94/7,068,605.40 = 2,830,392/x - Step 3: Cross multiply
5,122,378.94x = 7,068,605.40 × 2,830,392 - Step 4: Simplify right side
5,122,378.94x = 20,006,924,175,316.80 - Step 5: Solve for x
x = 20,006,924,175,316.80/5,122,378.94 - Step 6: Final answer
x = 3,905,787.61
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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.