Finding the Fourth Proportional to 2,148,014.99, 2,964,159.20 and 1,181,186.03
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Solution
The fourth proportional to 2,148,014.99, 2,964,159.20 and 1,181,186.03 is: 1,629,980.91
Step by Step Solution
- Step 1: Write the proportion equation
2,148,014.99 : 2,964,159.20 = 1,181,186.03 : x - Step 2: Convert to fraction form
2,148,014.99/2,964,159.20 = 1,181,186.03/x - Step 3: Cross multiply
2,148,014.99x = 2,964,159.20 × 1,181,186.03 - Step 4: Simplify right side
2,148,014.99x = 3,501,223,425,868.15 - Step 5: Solve for x
x = 3,501,223,425,868.15/2,148,014.99 - Step 6: Final answer
x = 1,629,980.91
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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.