Finding the Fourth Proportional to 6,355,491.20, 9,533,781.12 and 1,806,557.12
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Solution
The fourth proportional to 6,355,491.20, 9,533,781.12 and 1,806,557.12 is: 2,709,990.40
Step by Step Solution
- Step 1: Write the proportion equation
6,355,491.20 : 9,533,781.12 = 1,806,557.12 : x - Step 2: Convert to fraction form
6,355,491.20/9,533,781.12 = 1,806,557.12/x - Step 3: Cross multiply
6,355,491.20x = 9,533,781.12 × 1,806,557.12 - Step 4: Simplify right side
6,355,491.20x = 17,223,320,162,857.57 - Step 5: Solve for x
x = 17,223,320,162,857.57/6,355,491.20 - Step 6: Final answer
x = 2,709,990.40
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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.