Finding the Fourth Proportional to 3,878,022.99, 5,819,690.88 and 1,353,678.24
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Solution
The fourth proportional to 3,878,022.99, 5,819,690.88 and 1,353,678.24 is: 2,031,444.61
Step by Step Solution
- Step 1: Write the proportion equation
3,878,022.99 : 5,819,690.88 = 1,353,678.24 : x - Step 2: Convert to fraction form
3,878,022.99/5,819,690.88 = 1,353,678.24/x - Step 3: Cross multiply
3,878,022.99x = 5,819,690.88 × 1,353,678.24 - Step 4: Simplify right side
3,878,022.99x = 7,877,988,907,782.45 - Step 5: Solve for x
x = 7,877,988,907,782.45/3,878,022.99 - Step 6: Final answer
x = 2,031,444.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.