Finding the Fourth Proportional to 5,913,445.40, 8,160,547.74 and 3,197,184.92
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Solution
The fourth proportional to 5,913,445.40, 8,160,547.74 and 3,197,184.92 is: 4,412,111.45
Step by Step Solution
- Step 1: Write the proportion equation
5,913,445.40 : 8,160,547.74 = 3,197,184.92 : x - Step 2: Convert to fraction form
5,913,445.40/8,160,547.74 = 3,197,184.92/x - Step 3: Cross multiply
5,913,445.40x = 8,160,547.74 × 3,197,184.92 - Step 4: Simplify right side
5,913,445.40x = 26,090,780,173,268.08 - Step 5: Solve for x
x = 26,090,780,173,268.08/5,913,445.40 - Step 6: Final answer
x = 4,412,111.45
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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.