Finding the Fourth Proportional to 4,696,435.71, 6,480,986.99 and 2,631,426.57
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Solution
The fourth proportional to 4,696,435.71, 6,480,986.99 and 2,631,426.57 is: 3,631,315.83
Step by Step Solution
- Step 1: Write the proportion equation
4,696,435.71 : 6,480,986.99 = 2,631,426.57 : x - Step 2: Convert to fraction form
4,696,435.71/6,480,986.99 = 2,631,426.57/x - Step 3: Cross multiply
4,696,435.71x = 6,480,986.99 × 2,631,426.57 - Step 4: Simplify right side
4,696,435.71x = 17,054,241,352,153.19 - Step 5: Solve for x
x = 17,054,241,352,153.19/4,696,435.71 - Step 6: Final answer
x = 3,631,315.83
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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.