Finding the Fourth Proportional to 3,448,327.60, 4,759,271.16 and 1,998,929.68
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Solution
The fourth proportional to 3,448,327.60, 4,759,271.16 and 1,998,929.68 is: 2,758,858.64
Step by Step Solution
- Step 1: Write the proportion equation
3,448,327.60 : 4,759,271.16 = 1,998,929.68 : x - Step 2: Convert to fraction form
3,448,327.60/4,759,271.16 = 1,998,929.68/x - Step 3: Cross multiply
3,448,327.60x = 4,759,271.16 × 1,998,929.68 - Step 4: Simplify right side
3,448,327.60x = 9,513,448,376,892.03 - Step 5: Solve for x
x = 9,513,448,376,892.03/3,448,327.60 - Step 6: Final answer
x = 2,758,858.64
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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.