Finding the Fourth Proportional to 4,116,357.80, 6,174,447.40 and 1,420,592.35
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Solution
The fourth proportional to 4,116,357.80, 6,174,447.40 and 1,420,592.35 is: 2,130,857.70
Step by Step Solution
- Step 1: Write the proportion equation
4,116,357.80 : 6,174,447.40 = 1,420,592.35 : x - Step 2: Convert to fraction form
4,116,357.80/6,174,447.40 = 1,420,592.35/x - Step 3: Cross multiply
4,116,357.80x = 6,174,447.40 × 1,420,592.35 - Step 4: Simplify right side
4,116,357.80x = 8,771,372,728,257.01 - Step 5: Solve for x
x = 8,771,372,728,257.01/4,116,357.80 - Step 6: Final answer
x = 2,130,857.70
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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.