Finding the Fourth Proportional to 3,979,488.08, 5,487,791.94 and 2,526,661.28
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Solution
The fourth proportional to 3,979,488.08, 5,487,791.94 and 2,526,661.28 is: 3,484,315.35
Step by Step Solution
- Step 1: Write the proportion equation
3,979,488.08 : 5,487,791.94 = 2,526,661.28 : x - Step 2: Convert to fraction form
3,979,488.08/5,487,791.94 = 2,526,661.28/x - Step 3: Cross multiply
3,979,488.08x = 5,487,791.94 × 2,526,661.28 - Step 4: Simplify right side
3,979,488.08x = 13,865,791,407,494.08 - Step 5: Solve for x
x = 13,865,791,407,494.08/3,979,488.08 - Step 6: Final answer
x = 3,484,315.35
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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.