Finding the Fourth Proportional to 2,147,305.60, 3,221,364.80 and 708,071.68
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Solution
The fourth proportional to 2,147,305.60, 3,221,364.80 and 708,071.68 is: 1,062,241.53
Step by Step Solution
- Step 1: Write the proportion equation
2,147,305.60 : 3,221,364.80 = 708,071.68 : x - Step 2: Convert to fraction form
2,147,305.60/3,221,364.80 = 708,071.68/x - Step 3: Cross multiply
2,147,305.60x = 3,221,364.80 × 708,071.68 - Step 4: Simplify right side
2,147,305.60x = 2,280,957,185,828.86 - Step 5: Solve for x
x = 2,280,957,185,828.86/2,147,305.60 - Step 6: Final answer
x = 1,062,241.53
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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.