Finding the Fourth Proportional to 3,695,587.84, 5,553,223.26 and 1,991,040.04
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Solution
The fourth proportional to 3,695,587.84, 5,553,223.26 and 1,991,040.04 is: 2,991,862.28
Step by Step Solution
- Step 1: Write the proportion equation
3,695,587.84 : 5,553,223.26 = 1,991,040.04 : x - Step 2: Convert to fraction form
3,695,587.84/5,553,223.26 = 1,991,040.04/x - Step 3: Cross multiply
3,695,587.84x = 5,553,223.26 × 1,991,040.04 - Step 4: Simplify right side
3,695,587.84x = 11,056,689,861,719.33 - Step 5: Solve for x
x = 11,056,689,861,719.33/3,695,587.84 - Step 6: Final answer
x = 2,991,862.28
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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.