Finding the Fourth Proportional to 4,381,356.66, 6,572,782.26 and 1,953,390.90
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Solution
The fourth proportional to 4,381,356.66, 6,572,782.26 and 1,953,390.90 is: 2,930,419.51
Step by Step Solution
- Step 1: Write the proportion equation
4,381,356.66 : 6,572,782.26 = 1,953,390.90 : x - Step 2: Convert to fraction form
4,381,356.66/6,572,782.26 = 1,953,390.90/x - Step 3: Cross multiply
4,381,356.66x = 6,572,782.26 × 1,953,390.90 - Step 4: Simplify right side
4,381,356.66x = 12,839,213,054,365.43 - Step 5: Solve for x
x = 12,839,213,054,365.43/4,381,356.66 - Step 6: Final answer
x = 2,930,419.51
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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.