Finding the Fourth Proportional to 4,128,435.67, 6,191,075.69 and 1,358,058.97
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Solution
The fourth proportional to 4,128,435.67, 6,191,075.69 and 1,358,058.97 is: 2,036,569.43
Step by Step Solution
- Step 1: Write the proportion equation
4,128,435.67 : 6,191,075.69 = 1,358,058.97 : x - Step 2: Convert to fraction form
4,128,435.67/6,191,075.69 = 1,358,058.97/x - Step 3: Cross multiply
4,128,435.67x = 6,191,075.69 × 1,358,058.97 - Step 4: Simplify right side
4,128,435.67x = 8,407,845,874,753.44 - Step 5: Solve for x
x = 8,407,845,874,753.44/4,128,435.67 - Step 6: Final answer
x = 2,036,569.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.