Finding the Fourth Proportional to 2,656,372.56, 3,985,070.88 and 859,701.84
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Solution
The fourth proportional to 2,656,372.56, 3,985,070.88 and 859,701.84 is: 1,289,718.48
Step by Step Solution
- Step 1: Write the proportion equation
2,656,372.56 : 3,985,070.88 = 859,701.84 : x - Step 2: Convert to fraction form
2,656,372.56/3,985,070.88 = 859,701.84/x - Step 3: Cross multiply
2,656,372.56x = 3,985,070.88 × 859,701.84 - Step 4: Simplify right side
2,656,372.56x = 3,425,972,768,066.42 - Step 5: Solve for x
x = 3,425,972,768,066.42/2,656,372.56 - Step 6: Final answer
x = 1,289,718.48
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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.