Finding the Fourth Proportional to 1,679,102.64, 2,317,210.56 and 915,205.68
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Solution
The fourth proportional to 1,679,102.64, 2,317,210.56 and 915,205.68 is: 1,263,010.50
Step by Step Solution
- Step 1: Write the proportion equation
1,679,102.64 : 2,317,210.56 = 915,205.68 : x - Step 2: Convert to fraction form
1,679,102.64/2,317,210.56 = 915,205.68/x - Step 3: Cross multiply
1,679,102.64x = 2,317,210.56 × 915,205.68 - Step 4: Simplify right side
1,679,102.64x = 2,120,724,266,267.98 - Step 5: Solve for x
x = 2,120,724,266,267.98/1,679,102.64 - Step 6: Final answer
x = 1,263,010.50
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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.