Finding the Fourth Proportional to 3,638,407.39, 5,456,430.14 and 1,208,908.18
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Solution
The fourth proportional to 3,638,407.39, 5,456,430.14 and 1,208,908.18 is: 1,812,969.89
Step by Step Solution
- Step 1: Write the proportion equation
3,638,407.39 : 5,456,430.14 = 1,208,908.18 : x - Step 2: Convert to fraction form
3,638,407.39/5,456,430.14 = 1,208,908.18/x - Step 3: Cross multiply
3,638,407.39x = 5,456,430.14 × 1,208,908.18 - Step 4: Simplify right side
3,638,407.39x = 6,596,323,032,866.82 - Step 5: Solve for x
x = 6,596,323,032,866.82/3,638,407.39 - Step 6: Final answer
x = 1,812,969.89
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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.