Finding the Fourth Proportional to 1,526,637.99, 2,106,678.20 and 847,530.75
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Solution
The fourth proportional to 1,526,637.99, 2,106,678.20 and 847,530.75 is: 1,169,546.78
Step by Step Solution
- Step 1: Write the proportion equation
1,526,637.99 : 2,106,678.20 = 847,530.75 : x - Step 2: Convert to fraction form
1,526,637.99/2,106,678.20 = 847,530.75/x - Step 3: Cross multiply
1,526,637.99x = 2,106,678.20 × 847,530.75 - Step 4: Simplify right side
1,526,637.99x = 1,785,474,550,617.00 - Step 5: Solve for x
x = 1,785,474,550,617.00/1,526,637.99 - Step 6: Final answer
x = 1,169,546.78
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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.