Finding the Fourth Proportional to 5,282,767.60, 7,290,246.18 and 2,991,374.80
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Solution
The fourth proportional to 5,282,767.60, 7,290,246.18 and 2,991,374.80 is: 4,128,112.45
Step by Step Solution
- Step 1: Write the proportion equation
5,282,767.60 : 7,290,246.18 = 2,991,374.80 : x - Step 2: Convert to fraction form
5,282,767.60/7,290,246.18 = 2,991,374.80/x - Step 3: Cross multiply
5,282,767.60x = 7,290,246.18 × 2,991,374.80 - Step 4: Simplify right side
5,282,767.60x = 21,807,858,708,648.26 - Step 5: Solve for x
x = 21,807,858,708,648.26/5,282,767.60 - Step 6: Final answer
x = 4,128,112.45
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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.