Finding the Fourth Proportional to 5,089,959.60, 7,634,364.84 and 1,303,470.96
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Solution
The fourth proportional to 5,089,959.60, 7,634,364.84 and 1,303,470.96 is: 1,955,059.30
Step by Step Solution
- Step 1: Write the proportion equation
5,089,959.60 : 7,634,364.84 = 1,303,470.96 : x - Step 2: Convert to fraction form
5,089,959.60/7,634,364.84 = 1,303,470.96/x - Step 3: Cross multiply
5,089,959.60x = 7,634,364.84 × 1,303,470.96 - Step 4: Simplify right side
5,089,959.60x = 9,951,172,866,985.05 - Step 5: Solve for x
x = 9,951,172,866,985.05/5,089,959.60 - Step 6: Final answer
x = 1,955,059.30
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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.