Finding the Fourth Proportional to 4,118,683.60, 6,177,959.18 and 1,278,798.49
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Solution
The fourth proportional to 4,118,683.60, 6,177,959.18 and 1,278,798.49 is: 1,918,177.17
Step by Step Solution
- Step 1: Write the proportion equation
4,118,683.60 : 6,177,959.18 = 1,278,798.49 : x - Step 2: Convert to fraction form
4,118,683.60/6,177,959.18 = 1,278,798.49/x - Step 3: Cross multiply
4,118,683.60x = 6,177,959.18 × 1,278,798.49 - Step 4: Simplify right side
4,118,683.60x = 7,900,364,870,665.64 - Step 5: Solve for x
x = 7,900,364,870,665.64/4,118,683.60 - Step 6: Final answer
x = 1,918,177.17
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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.