Finding the Fourth Proportional to 2,228,729.19, 3,075,560.04 and 1,210,110.63
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Solution
The fourth proportional to 2,228,729.19, 3,075,560.04 and 1,210,110.63 is: 1,669,905.84
Step by Step Solution
- Step 1: Write the proportion equation
2,228,729.19 : 3,075,560.04 = 1,210,110.63 : x - Step 2: Convert to fraction form
2,228,729.19/3,075,560.04 = 1,210,110.63/x - Step 3: Cross multiply
2,228,729.19x = 3,075,560.04 × 1,210,110.63 - Step 4: Simplify right side
2,228,729.19x = 3,721,767,897,607.23 - Step 5: Solve for x
x = 3,721,767,897,607.23/2,228,729.19 - Step 6: Final answer
x = 1,669,905.84
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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.