Finding the Fourth Proportional to 3,862,637.79, 5,803,403.09 and 3,647,785.95
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Solution
The fourth proportional to 3,862,637.79, 5,803,403.09 and 3,647,785.95 is: 5,480,599.89
Step by Step Solution
- Step 1: Write the proportion equation
3,862,637.79 : 5,803,403.09 = 3,647,785.95 : x - Step 2: Convert to fraction form
3,862,637.79/5,803,403.09 = 3,647,785.95/x - Step 3: Cross multiply
3,862,637.79x = 5,803,403.09 × 3,647,785.95 - Step 4: Simplify right side
3,862,637.79x = 21,169,572,253,888.59 - Step 5: Solve for x
x = 21,169,572,253,888.59/3,862,637.79 - Step 6: Final answer
x = 5,480,599.89
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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.