Finding the Fourth Proportional to 2,552,664.40, 3,828,992.55 and 1,185,690.58
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Solution
The fourth proportional to 2,552,664.40, 3,828,992.55 and 1,185,690.58 is: 1,778,533.99
Step by Step Solution
- Step 1: Write the proportion equation
2,552,664.40 : 3,828,992.55 = 1,185,690.58 : x - Step 2: Convert to fraction form
2,552,664.40/3,828,992.55 = 1,185,690.58/x - Step 3: Cross multiply
2,552,664.40x = 3,828,992.55 × 1,185,690.58 - Step 4: Simplify right side
2,552,664.40x = 4,540,000,397,425.18 - Step 5: Solve for x
x = 4,540,000,397,425.18/2,552,664.40 - Step 6: Final answer
x = 1,778,533.99
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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.