Finding the Fourth Proportional to 7,758,705.26, 10,707,345.44 and 4,320,946.29
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Solution
The fourth proportional to 7,758,705.26, 10,707,345.44 and 4,320,946.29 is: 5,963,090.88
Step by Step Solution
- Step 1: Write the proportion equation
7,758,705.26 : 10,707,345.44 = 4,320,946.29 : x - Step 2: Convert to fraction form
7,758,705.26/10,707,345.44 = 4,320,946.29/x - Step 3: Cross multiply
7,758,705.26x = 10,707,345.44 × 4,320,946.29 - Step 4: Simplify right side
7,758,705.26x = 46,265,864,589,467.78 - Step 5: Solve for x
x = 46,265,864,589,467.78/7,758,705.26 - Step 6: Final answer
x = 5,963,090.88
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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.