Finding the Fourth Proportional to 1,679,963.88, 2,519,245.08 and 526,913.40
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Solution
The fourth proportional to 1,679,963.88, 2,519,245.08 and 526,913.40 is: 790,150.32
Step by Step Solution
- Step 1: Write the proportion equation
1,679,963.88 : 2,519,245.08 = 526,913.40 : x - Step 2: Convert to fraction form
1,679,963.88/2,519,245.08 = 526,913.40/x - Step 3: Cross multiply
1,679,963.88x = 2,519,245.08 × 526,913.40 - Step 4: Simplify right side
1,679,963.88x = 1,327,423,990,536.07 - Step 5: Solve for x
x = 1,327,423,990,536.07/1,679,963.88 - Step 6: Final answer
x = 790,150.32
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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.