Finding the Fourth Proportional to 1,791,479.80, 2,687,219.70 and 529,289.20
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Solution
The fourth proportional to 1,791,479.80, 2,687,219.70 and 529,289.20 is: 793,933.80
Step by Step Solution
- Step 1: Write the proportion equation
1,791,479.80 : 2,687,219.70 = 529,289.20 : x - Step 2: Convert to fraction form
1,791,479.80/2,687,219.70 = 529,289.20/x - Step 3: Cross multiply
1,791,479.80x = 2,687,219.70 × 529,289.20 - Step 4: Simplify right side
1,791,479.80x = 1,422,316,365,237.24 - Step 5: Solve for x
x = 1,422,316,365,237.24/1,791,479.80 - Step 6: Final answer
x = 793,933.80
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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.