Finding the Fourth Proportional to 3,736,334.88, 5,604,502.56 and 1,211,990.40
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Solution
The fourth proportional to 3,736,334.88, 5,604,502.56 and 1,211,990.40 is: 1,817,985.68
Step by Step Solution
- Step 1: Write the proportion equation
3,736,334.88 : 5,604,502.56 = 1,211,990.40 : x - Step 2: Convert to fraction form
3,736,334.88/5,604,502.56 = 1,211,990.40/x - Step 3: Cross multiply
3,736,334.88x = 5,604,502.56 × 1,211,990.40 - Step 4: Simplify right side
3,736,334.88x = 6,792,603,299,495.42 - Step 5: Solve for x
x = 6,792,603,299,495.42/3,736,334.88 - Step 6: Final answer
x = 1,817,985.68
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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.