Finding the Fourth Proportional to 2,216,775.84, 3,319,157.52 and 1,149,579.84
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Solution
The fourth proportional to 2,216,775.84, 3,319,157.52 and 1,149,579.84 is: 1,721,255.03
Step by Step Solution
- Step 1: Write the proportion equation
2,216,775.84 : 3,319,157.52 = 1,149,579.84 : x - Step 2: Convert to fraction form
2,216,775.84/3,319,157.52 = 1,149,579.84/x - Step 3: Cross multiply
2,216,775.84x = 3,319,157.52 × 1,149,579.84 - Step 4: Simplify right side
2,216,775.84x = 3,815,636,570,776.40 - Step 5: Solve for x
x = 3,815,636,570,776.40/2,216,775.84 - Step 6: Final answer
x = 1,721,255.03
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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.