Finding the Fourth Proportional to 2,386,080.96, 3,292,742.88 and 1,298,374.08
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Solution
The fourth proportional to 2,386,080.96, 3,292,742.88 and 1,298,374.08 is: 1,791,729.65
Step by Step Solution
- Step 1: Write the proportion equation
2,386,080.96 : 3,292,742.88 = 1,298,374.08 : x - Step 2: Convert to fraction form
2,386,080.96/3,292,742.88 = 1,298,374.08/x - Step 3: Cross multiply
2,386,080.96x = 3,292,742.88 × 1,298,374.08 - Step 4: Simplify right side
2,386,080.96x = 4,275,212,007,496.55 - Step 5: Solve for x
x = 4,275,212,007,496.55/2,386,080.96 - Step 6: Final answer
x = 1,791,729.65
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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.