Finding the Fourth Proportional to 1,679,070.64, 2,317,166.04 and 915,173.68
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Solution
The fourth proportional to 1,679,070.64, 2,317,166.04 and 915,173.68 is: 1,262,966.14
Step by Step Solution
- Step 1: Write the proportion equation
1,679,070.64 : 2,317,166.04 = 915,173.68 : x - Step 2: Convert to fraction form
1,679,070.64/2,317,166.04 = 915,173.68/x - Step 3: Cross multiply
1,679,070.64x = 2,317,166.04 × 915,173.68 - Step 4: Simplify right side
1,679,070.64x = 2,120,609,371,997.83 - Step 5: Solve for x
x = 2,120,609,371,997.83/1,679,070.64 - Step 6: Final answer
x = 1,262,966.14
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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.