Finding the Fourth Proportional to 3,879,274.64, 5,819,395.04 and 1,320,292.94
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Solution
The fourth proportional to 3,879,274.64, 5,819,395.04 and 1,320,292.94 is: 1,980,603.82
Step by Step Solution
- Step 1: Write the proportion equation
3,879,274.64 : 5,819,395.04 = 1,320,292.94 : x - Step 2: Convert to fraction form
3,879,274.64/5,819,395.04 = 1,320,292.94/x - Step 3: Cross multiply
3,879,274.64x = 5,819,395.04 × 1,320,292.94 - Step 4: Simplify right side
3,879,274.64x = 7,683,306,186,383.02 - Step 5: Solve for x
x = 7,683,306,186,383.02/3,879,274.64 - Step 6: Final answer
x = 1,980,603.82
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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.