Finding the Fourth Proportional to 5,310,278.84, 7,963,769.10 and 1,898,092.28
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Solution
The fourth proportional to 5,310,278.84, 7,963,769.10 and 1,898,092.28 is: 2,846,548.95
Step by Step Solution
- Step 1: Write the proportion equation
5,310,278.84 : 7,963,769.10 = 1,898,092.28 : x - Step 2: Convert to fraction form
5,310,278.84/7,963,769.10 = 1,898,092.28/x - Step 3: Cross multiply
5,310,278.84x = 7,963,769.10 × 1,898,092.28 - Step 4: Simplify right side
5,310,278.84x = 15,115,968,648,412.55 - Step 5: Solve for x
x = 15,115,968,648,412.55/5,310,278.84 - Step 6: Final answer
x = 2,846,548.95
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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.