Finding the Fourth Proportional to 1,758,111.17, 2,650,344.41 and 1,640,931.09
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Solution
The fourth proportional to 1,758,111.17, 2,650,344.41 and 1,640,931.09 is: 2,473,695.99
Step by Step Solution
- Step 1: Write the proportion equation
1,758,111.17 : 2,650,344.41 = 1,640,931.09 : x - Step 2: Convert to fraction form
1,758,111.17/2,650,344.41 = 1,640,931.09/x - Step 3: Cross multiply
1,758,111.17x = 2,650,344.41 × 1,640,931.09 - Step 4: Simplify right side
1,758,111.17x = 4,349,032,533,372.05 - Step 5: Solve for x
x = 4,349,032,533,372.05/1,758,111.17 - Step 6: Final answer
x = 2,473,695.99
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.