Finding the Fourth Proportional to 2,151,656.80, 3,226,102.80 and 889,986.40
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Solution
The fourth proportional to 2,151,656.80, 3,226,102.80 and 889,986.40 is: 1,334,407.80
Step by Step Solution
- Step 1: Write the proportion equation
2,151,656.80 : 3,226,102.80 = 889,986.40 : x - Step 2: Convert to fraction form
2,151,656.80/3,226,102.80 = 889,986.40/x - Step 3: Cross multiply
2,151,656.80x = 3,226,102.80 × 889,986.40 - Step 4: Simplify right side
2,151,656.80x = 2,871,187,617,001.92 - Step 5: Solve for x
x = 2,871,187,617,001.92/2,151,656.80 - Step 6: Final answer
x = 1,334,407.80
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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.