Finding the Fourth Proportional to 1,615,262.40, 2,229,065.28 and 970,692.48
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Solution
The fourth proportional to 1,615,262.40, 2,229,065.28 and 970,692.48 is: 1,339,557.53
Step by Step Solution
- Step 1: Write the proportion equation
1,615,262.40 : 2,229,065.28 = 970,692.48 : x - Step 2: Convert to fraction form
1,615,262.40/2,229,065.28 = 970,692.48/x - Step 3: Cross multiply
1,615,262.40x = 2,229,065.28 × 970,692.48 - Step 4: Simplify right side
1,615,262.40x = 2,163,736,904,725.09 - Step 5: Solve for x
x = 2,163,736,904,725.09/1,615,262.40 - Step 6: Final answer
x = 1,339,557.53
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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.