Finding the Fourth Proportional to 1,385,658.84, 2,078,487.36 and 1,008,975.81
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Solution
The fourth proportional to 1,385,658.84, 2,078,487.36 and 1,008,975.81 is: 1,513,463.06
Step by Step Solution
- Step 1: Write the proportion equation
1,385,658.84 : 2,078,487.36 = 1,008,975.81 : x - Step 2: Convert to fraction form
1,385,658.84/2,078,487.36 = 1,008,975.81/x - Step 3: Cross multiply
1,385,658.84x = 2,078,487.36 × 1,008,975.81 - Step 4: Simplify right side
1,385,658.84x = 2,097,143,467,630.76 - Step 5: Solve for x
x = 2,097,143,467,630.76/1,385,658.84 - Step 6: Final answer
x = 1,513,463.06
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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.