Finding the Fourth Proportional to 3,928,341.98, 5,892,762.10 and 1,232,773.48
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Solution
The fourth proportional to 3,928,341.98, 5,892,762.10 and 1,232,773.48 is: 1,849,238.40
Step by Step Solution
- Step 1: Write the proportion equation
3,928,341.98 : 5,892,762.10 = 1,232,773.48 : x - Step 2: Convert to fraction form
3,928,341.98/5,892,762.10 = 1,232,773.48/x - Step 3: Cross multiply
3,928,341.98x = 5,892,762.10 × 1,232,773.48 - Step 4: Simplify right side
3,928,341.98x = 7,264,440,840,829.11 - Step 5: Solve for x
x = 7,264,440,840,829.11/3,928,341.98 - Step 6: Final answer
x = 1,849,238.40
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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.