Finding the Fourth Proportional to 6,442,149.84, 9,664,802.64 and 3,205,214.88
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Solution
The fourth proportional to 6,442,149.84, 9,664,802.64 and 3,205,214.88 is: 4,808,607.38
Step by Step Solution
- Step 1: Write the proportion equation
6,442,149.84 : 9,664,802.64 = 3,205,214.88 : x - Step 2: Convert to fraction form
6,442,149.84/9,664,802.64 = 3,205,214.88/x - Step 3: Cross multiply
6,442,149.84x = 9,664,802.64 × 3,205,214.88 - Step 4: Simplify right side
6,442,149.84x = 30,977,769,233,991.29 - Step 5: Solve for x
x = 30,977,769,233,991.29/6,442,149.84 - Step 6: Final answer
x = 4,808,607.38
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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.