Finding the Fourth Proportional to 7,828,192.36, 10,798,317.54 and 4,922,975.08
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Solution
The fourth proportional to 7,828,192.36, 10,798,317.54 and 4,922,975.08 is: 6,790,820.37
Step by Step Solution
- Step 1: Write the proportion equation
7,828,192.36 : 10,798,317.54 = 4,922,975.08 : x - Step 2: Convert to fraction form
7,828,192.36/10,798,317.54 = 4,922,975.08/x - Step 3: Cross multiply
7,828,192.36x = 10,798,317.54 × 4,922,975.08 - Step 4: Simplify right side
7,828,192.36x = 53,159,848,155,346.90 - Step 5: Solve for x
x = 53,159,848,155,346.90/7,828,192.36 - Step 6: Final answer
x = 6,790,820.37
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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.