Finding the Fourth Proportional to 1,041,442.84, 1,555,243.20 and 1,030,169.80
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Solution
The fourth proportional to 1,041,442.84, 1,555,243.20 and 1,030,169.80 is: 1,538,408.56
Step by Step Solution
- Step 1: Write the proportion equation
1,041,442.84 : 1,555,243.20 = 1,030,169.80 : x - Step 2: Convert to fraction form
1,041,442.84/1,555,243.20 = 1,030,169.80/x - Step 3: Cross multiply
1,041,442.84x = 1,555,243.20 × 1,030,169.80 - Step 4: Simplify right side
1,041,442.84x = 1,602,164,576,295.36 - Step 5: Solve for x
x = 1,602,164,576,295.36/1,041,442.84 - Step 6: Final answer
x = 1,538,408.56
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.