Finding the Fourth Proportional to 5,283,327.57, 7,919,460.69 and 2,211,078.73
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Solution
The fourth proportional to 5,283,327.57, 7,919,460.69 and 2,211,078.73 is: 3,314,303.51
Step by Step Solution
- Step 1: Write the proportion equation
5,283,327.57 : 7,919,460.69 = 2,211,078.73 : x - Step 2: Convert to fraction form
5,283,327.57/7,919,460.69 = 2,211,078.73/x - Step 3: Cross multiply
5,283,327.57x = 7,919,460.69 × 2,211,078.73 - Step 4: Simplify right side
5,283,327.57x = 17,510,551,084,730.12 - Step 5: Solve for x
x = 17,510,551,084,730.12/5,283,327.57 - Step 6: Final answer
x = 3,314,303.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.