Finding the Fourth Proportional to 4,359,356.28, 6,539,975.64 and 1,326,959.28
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Solution
The fourth proportional to 4,359,356.28, 6,539,975.64 and 1,326,959.28 is: 1,990,725.42
Step by Step Solution
- Step 1: Write the proportion equation
4,359,356.28 : 6,539,975.64 = 1,326,959.28 : x - Step 2: Convert to fraction form
4,359,356.28/6,539,975.64 = 1,326,959.28/x - Step 3: Cross multiply
4,359,356.28x = 6,539,975.64 × 1,326,959.28 - Step 4: Simplify right side
4,359,356.28x = 8,678,281,366,471.94 - Step 5: Solve for x
x = 8,678,281,366,471.94/4,359,356.28 - Step 6: Final answer
x = 1,990,725.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.