Finding the Fourth Proportional to 6,218,159.64, 8,580,833.76 and 3,464,704.80
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Solution
The fourth proportional to 6,218,159.64, 8,580,833.76 and 3,464,704.80 is: 4,781,166.40
Step by Step Solution
- Step 1: Write the proportion equation
6,218,159.64 : 8,580,833.76 = 3,464,704.80 : x - Step 2: Convert to fraction form
6,218,159.64/8,580,833.76 = 3,464,704.80/x - Step 3: Cross multiply
6,218,159.64x = 8,580,833.76 × 3,464,704.80 - Step 4: Simplify right side
6,218,159.64x = 29,730,055,916,274.05 - Step 5: Solve for x
x = 29,730,055,916,274.05/6,218,159.64 - Step 6: Final answer
x = 4,781,166.40
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1.5x scale
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.