Finding the Fourth Proportional to 3,542,881.05, 5,315,165.19 and 1,146,726.09
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Solution
The fourth proportional to 3,542,881.05, 5,315,165.19 and 1,146,726.09 is: 1,720,362.19
Step by Step Solution
- Step 1: Write the proportion equation
3,542,881.05 : 5,315,165.19 = 1,146,726.09 : x - Step 2: Convert to fraction form
3,542,881.05/5,315,165.19 = 1,146,726.09/x - Step 3: Cross multiply
3,542,881.05x = 5,315,165.19 × 1,146,726.09 - Step 4: Simplify right side
3,542,881.05x = 6,095,038,596,032.81 - Step 5: Solve for x
x = 6,095,038,596,032.81/3,542,881.05 - Step 6: Final answer
x = 1,720,362.19
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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.