Finding the Fourth Proportional to 2,602,477.42, 3,591,531.09 and 1,440,923.68
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Solution
The fourth proportional to 2,602,477.42, 3,591,531.09 and 1,440,923.68 is: 1,988,536.83
Step by Step Solution
- Step 1: Write the proportion equation
2,602,477.42 : 3,591,531.09 = 1,440,923.68 : x - Step 2: Convert to fraction form
2,602,477.42/3,591,531.09 = 1,440,923.68/x - Step 3: Cross multiply
2,602,477.42x = 3,591,531.09 × 1,440,923.68 - Step 4: Simplify right side
2,602,477.42x = 5,175,122,199,526.63 - Step 5: Solve for x
x = 5,175,122,199,526.63/2,602,477.42 - Step 6: Final answer
x = 1,988,536.83
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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.