Finding the Fourth Proportional to 1,614,526.02, 2,228,220.90 and 889,448.04
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Solution
The fourth proportional to 1,614,526.02, 2,228,220.90 and 889,448.04 is: 1,227,534.70
Step by Step Solution
- Step 1: Write the proportion equation
1,614,526.02 : 2,228,220.90 = 889,448.04 : x - Step 2: Convert to fraction form
1,614,526.02/2,228,220.90 = 889,448.04/x - Step 3: Cross multiply
1,614,526.02x = 2,228,220.90 × 889,448.04 - Step 4: Simplify right side
1,614,526.02x = 1,981,886,712,192.04 - Step 5: Solve for x
x = 1,981,886,712,192.04/1,614,526.02 - Step 6: Final answer
x = 1,227,534.70
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1.5x scale
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.