Finding the Fourth Proportional to 1,495,198.80, 2,063,374.56 and 816,135.36
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Solution
The fourth proportional to 1,495,198.80, 2,063,374.56 and 816,135.36 is: 1,126,266.91
Step by Step Solution
- Step 1: Write the proportion equation
1,495,198.80 : 2,063,374.56 = 816,135.36 : x - Step 2: Convert to fraction form
1,495,198.80/2,063,374.56 = 816,135.36/x - Step 3: Cross multiply
1,495,198.80x = 2,063,374.56 × 816,135.36 - Step 4: Simplify right side
1,495,198.80x = 1,683,992,939,340.44 - Step 5: Solve for x
x = 1,683,992,939,340.44/1,495,198.80 - Step 6: Final answer
x = 1,126,266.91
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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.