Finding the Fourth Proportional to 5,368,873.78, 7,416,518.60 and 5,169,552.84
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Solution
The fourth proportional to 5,368,873.78, 7,416,518.60 and 5,169,552.84 is: 7,141,178.27
Step by Step Solution
- Step 1: Write the proportion equation
5,368,873.78 : 7,416,518.60 = 5,169,552.84 : x - Step 2: Convert to fraction form
5,368,873.78/7,416,518.60 = 5,169,552.84/x - Step 3: Cross multiply
5,368,873.78x = 7,416,518.60 × 5,169,552.84 - Step 4: Simplify right side
5,368,873.78x = 38,340,084,768,118.54 - Step 5: Solve for x
x = 38,340,084,768,118.54/5,368,873.78 - Step 6: Final answer
x = 7,141,178.27
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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.