Finding the Fourth Proportional to 1,918,269.41, 2,647,212.05 and 1,058,829.98
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Solution
The fourth proportional to 1,918,269.41, 2,647,212.05 and 1,058,829.98 is: 1,461,185.52
Step by Step Solution
- Step 1: Write the proportion equation
1,918,269.41 : 2,647,212.05 = 1,058,829.98 : x - Step 2: Convert to fraction form
1,918,269.41/2,647,212.05 = 1,058,829.98/x - Step 3: Cross multiply
1,918,269.41x = 2,647,212.05 × 1,058,829.98 - Step 4: Simplify right side
1,918,269.41x = 2,802,947,481,957.26 - Step 5: Solve for x
x = 2,802,947,481,957.26/1,918,269.41 - Step 6: Final answer
x = 1,461,185.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.