Finding the Fourth Proportional to 1,972,847.76, 2,722,539.24 and 1,113,444.24
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Solution
The fourth proportional to 1,972,847.76, 2,722,539.24 and 1,113,444.24 is: 1,536,558.32
Step by Step Solution
- Step 1: Write the proportion equation
1,972,847.76 : 2,722,539.24 = 1,113,444.24 : x - Step 2: Convert to fraction form
1,972,847.76/2,722,539.24 = 1,113,444.24/x - Step 3: Cross multiply
1,972,847.76x = 2,722,539.24 × 1,113,444.24 - Step 4: Simplify right side
1,972,847.76x = 3,031,395,634,951.98 - Step 5: Solve for x
x = 3,031,395,634,951.98/1,972,847.76 - Step 6: Final answer
x = 1,536,558.32
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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.