Finding the Fourth Proportional to 7,881,798, 10,876,878.36 and 4,260,126
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Solution
The fourth proportional to 7,881,798, 10,876,878.36 and 4,260,126 is: 5,878,972.32
Step by Step Solution
- Step 1: Write the proportion equation
7,881,798 : 10,876,878.36 = 4,260,126 : x - Step 2: Convert to fraction form
7,881,798/10,876,878.36 = 4,260,126/x - Step 3: Cross multiply
7,881,798x = 10,876,878.36 × 4,260,126 - Step 4: Simplify right side
7,881,798x = 46,336,872,300,273.36 - Step 5: Solve for x
x = 46,336,872,300,273.36/7,881,798 - Step 6: Final answer
x = 5,878,972.32
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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.