Finding the Fourth Proportional to 1,679,094.64, 2,317,199.16 and 915,197.68
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Solution
The fourth proportional to 1,679,094.64, 2,317,199.16 and 915,197.68 is: 1,262,999.26
Step by Step Solution
- Step 1: Write the proportion equation
1,679,094.64 : 2,317,199.16 = 915,197.68 : x - Step 2: Convert to fraction form
1,679,094.64/2,317,199.16 = 915,197.68/x - Step 3: Cross multiply
1,679,094.64x = 2,317,199.16 × 915,197.68 - Step 4: Simplify right side
1,679,094.64x = 2,120,695,295,329.95 - Step 5: Solve for x
x = 2,120,695,295,329.95/1,679,094.64 - Step 6: Final answer
x = 1,262,999.26
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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.