Finding the Fourth Proportional to 1,561,405.69, 2,339,432.86 and 1,048,109.95
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Solution
The fourth proportional to 1,561,405.69, 2,339,432.86 and 1,048,109.95 is: 1,570,368.85
Step by Step Solution
- Step 1: Write the proportion equation
1,561,405.69 : 2,339,432.86 = 1,048,109.95 : x - Step 2: Convert to fraction form
1,561,405.69/2,339,432.86 = 1,048,109.95/x - Step 3: Cross multiply
1,561,405.69x = 2,339,432.86 × 1,048,109.95 - Step 4: Simplify right side
1,561,405.69x = 2,451,982,857,922.96 - Step 5: Solve for x
x = 2,451,982,857,922.96/1,561,405.69 - Step 6: Final answer
x = 1,570,368.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.