Finding the Fourth Proportional to 3,698,432.04, 5,548,169.18 and 1,139,853.90
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Solution
The fourth proportional to 3,698,432.04, 5,548,169.18 and 1,139,853.90 is: 1,709,941.46
Step by Step Solution
- Step 1: Write the proportion equation
3,698,432.04 : 5,548,169.18 = 1,139,853.90 : x - Step 2: Convert to fraction form
3,698,432.04/5,548,169.18 = 1,139,853.90/x - Step 3: Cross multiply
3,698,432.04x = 5,548,169.18 × 1,139,853.90 - Step 4: Simplify right side
3,698,432.04x = 6,324,102,301,338.07 - Step 5: Solve for x
x = 6,324,102,301,338.07/3,698,432.04 - Step 6: Final answer
x = 1,709,941.46
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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.