Finding the Fourth Proportional to 3,990,038.81, 5,985,899.35 and 1,294,154.41
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Solution
The fourth proportional to 3,990,038.81, 5,985,899.35 and 1,294,154.41 is: 1,941,504.43
Step by Step Solution
- Step 1: Write the proportion equation
3,990,038.81 : 5,985,899.35 = 1,294,154.41 : x - Step 2: Convert to fraction form
3,990,038.81/5,985,899.35 = 1,294,154.41/x - Step 3: Cross multiply
3,990,038.81x = 5,985,899.35 × 1,294,154.41 - Step 4: Simplify right side
3,990,038.81x = 7,746,678,041,618.63 - Step 5: Solve for x
x = 7,746,678,041,618.63/3,990,038.81 - Step 6: Final answer
x = 1,941,504.43
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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.