Finding the Fourth Proportional to 4,740,421.59, 6,541,763.72 and 2,564,968.95
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Solution
The fourth proportional to 4,740,421.59, 6,541,763.72 and 2,564,968.95 is: 3,539,647.37
Step by Step Solution
- Step 1: Write the proportion equation
4,740,421.59 : 6,541,763.72 = 2,564,968.95 : x - Step 2: Convert to fraction form
4,740,421.59/6,541,763.72 = 2,564,968.95/x - Step 3: Cross multiply
4,740,421.59x = 6,541,763.72 × 2,564,968.95 - Step 4: Simplify right side
4,740,421.59x = 16,779,420,807,211.65 - Step 5: Solve for x
x = 16,779,420,807,211.65/4,740,421.59 - Step 6: Final answer
x = 3,539,647.37
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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.