Finding the Fourth Proportional to 3,977,364.79, 5,963,605.57 and 1,545,678.75
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Solution
The fourth proportional to 3,977,364.79, 5,963,605.57 and 1,545,678.75 is: 2,317,569.26
Step by Step Solution
- Step 1: Write the proportion equation
3,977,364.79 : 5,963,605.57 = 1,545,678.75 : x - Step 2: Convert to fraction form
3,977,364.79/5,963,605.57 = 1,545,678.75/x - Step 3: Cross multiply
3,977,364.79x = 5,963,605.57 × 1,545,678.75 - Step 4: Simplify right side
3,977,364.79x = 9,217,818,388,021.63 - Step 5: Solve for x
x = 9,217,818,388,021.63/3,977,364.79 - Step 6: Final answer
x = 2,317,569.26
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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.