Finding the Fourth Proportional to 1,616,602.62, 2,230,860.47 and 891,480.90
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Solution
The fourth proportional to 1,616,602.62, 2,230,860.47 and 891,480.90 is: 1,230,215.44
Step by Step Solution
- Step 1: Write the proportion equation
1,616,602.62 : 2,230,860.47 = 891,480.90 : x - Step 2: Convert to fraction form
1,616,602.62/2,230,860.47 = 891,480.90/x - Step 3: Cross multiply
1,616,602.62x = 2,230,860.47 × 891,480.90 - Step 4: Simplify right side
1,616,602.62x = 1,988,769,501,798.73 - Step 5: Solve for x
x = 1,988,769,501,798.73/1,616,602.62 - Step 6: Final answer
x = 1,230,215.44
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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.