Finding the Fourth Proportional to 3,788,155.33, 5,227,569.42 and 2,069,282.68
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Solution
The fourth proportional to 3,788,155.33, 5,227,569.42 and 2,069,282.68 is: 2,855,563.70
Step by Step Solution
- Step 1: Write the proportion equation
3,788,155.33 : 5,227,569.42 = 2,069,282.68 : x - Step 2: Convert to fraction form
3,788,155.33/5,227,569.42 = 2,069,282.68/x - Step 3: Cross multiply
3,788,155.33x = 5,227,569.42 × 2,069,282.68 - Step 4: Simplify right side
3,788,155.33x = 10,817,318,859,303.64 - Step 5: Solve for x
x = 10,817,318,859,303.64/3,788,155.33 - Step 6: Final answer
x = 2,855,563.70
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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.