Finding the Fourth Proportional to 1,535,476.08, 2,118,907.80 and 847,147.44
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Solution
The fourth proportional to 1,535,476.08, 2,118,907.80 and 847,147.44 is: 1,169,036.33
Step by Step Solution
- Step 1: Write the proportion equation
1,535,476.08 : 2,118,907.80 = 847,147.44 : x - Step 2: Convert to fraction form
1,535,476.08/2,118,907.80 = 847,147.44/x - Step 3: Cross multiply
1,535,476.08x = 2,118,907.80 × 847,147.44 - Step 4: Simplify right side
1,535,476.08x = 1,795,027,318,366.03 - Step 5: Solve for x
x = 1,795,027,318,366.03/1,535,476.08 - Step 6: Final answer
x = 1,169,036.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.