Finding the Fourth Proportional to 6,473,028.36, 9,706,539.06 and 3,778,129.20
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Solution
The fourth proportional to 6,473,028.36, 9,706,539.06 and 3,778,129.20 is: 5,665,440.75
Step by Step Solution
- Step 1: Write the proportion equation
6,473,028.36 : 9,706,539.06 = 3,778,129.20 : x - Step 2: Convert to fraction form
6,473,028.36/9,706,539.06 = 3,778,129.20/x - Step 3: Cross multiply
6,473,028.36x = 9,706,539.06 × 3,778,129.20 - Step 4: Simplify right side
6,473,028.36x = 36,672,558,653,526.55 - Step 5: Solve for x
x = 36,672,558,653,526.55/6,473,028.36 - Step 6: Final answer
x = 5,665,440.75
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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.