Finding the Fourth Proportional to 2,994,958.60, 4,133,889.47 and 1,771,689.58
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Solution
The fourth proportional to 2,994,958.60, 4,133,889.47 and 1,771,689.58 is: 2,445,432.43
Step by Step Solution
- Step 1: Write the proportion equation
2,994,958.60 : 4,133,889.47 = 1,771,689.58 : x - Step 2: Convert to fraction form
2,994,958.60/4,133,889.47 = 1,771,689.58/x - Step 3: Cross multiply
2,994,958.60x = 4,133,889.47 × 1,771,689.58 - Step 4: Simplify right side
2,994,958.60x = 7,323,968,892,965.22 - Step 5: Solve for x
x = 7,323,968,892,965.22/2,994,958.60 - Step 6: Final answer
x = 2,445,432.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.