Finding the Fourth Proportional to 6,356,136.05, 8,771,567.54 and 3,455,537.99
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Solution
The fourth proportional to 6,356,136.05, 8,771,567.54 and 3,455,537.99 is: 4,768,696.68
Step by Step Solution
- Step 1: Write the proportion equation
6,356,136.05 : 8,771,567.54 = 3,455,537.99 : x - Step 2: Convert to fraction form
6,356,136.05/8,771,567.54 = 3,455,537.99/x - Step 3: Cross multiply
6,356,136.05x = 8,771,567.54 × 3,455,537.99 - Step 4: Simplify right side
6,356,136.05x = 30,310,484,866,320.84 - Step 5: Solve for x
x = 30,310,484,866,320.84/6,356,136.05 - Step 6: Final answer
x = 4,768,696.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.