Finding the Fourth Proportional to 2,427,718.60, 3,640,265.70 and 1,007,918.20
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Solution
The fourth proportional to 2,427,718.60, 3,640,265.70 and 1,007,918.20 is: 1,511,332.51
Step by Step Solution
- Step 1: Write the proportion equation
2,427,718.60 : 3,640,265.70 = 1,007,918.20 : x - Step 2: Convert to fraction form
2,427,718.60/3,640,265.70 = 1,007,918.20/x - Step 3: Cross multiply
2,427,718.60x = 3,640,265.70 × 1,007,918.20 - Step 4: Simplify right side
2,427,718.60x = 3,669,090,051,865.74 - Step 5: Solve for x
x = 3,669,090,051,865.74/2,427,718.60 - Step 6: Final answer
x = 1,511,332.51
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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.