Finding the Fourth Proportional to 1,697,536.84, 2,342,190.77 and 1,077,115.79
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Solution
The fourth proportional to 1,697,536.84, 2,342,190.77 and 1,077,115.79 is: 1,486,159.59
Step by Step Solution
- Step 1: Write the proportion equation
1,697,536.84 : 2,342,190.77 = 1,077,115.79 : x - Step 2: Convert to fraction form
1,697,536.84/2,342,190.77 = 1,077,115.79/x - Step 3: Cross multiply
1,697,536.84x = 2,342,190.77 × 1,077,115.79 - Step 4: Simplify right side
1,697,536.84x = 2,522,810,652,541.09 - Step 5: Solve for x
x = 2,522,810,652,541.09/1,697,536.84 - Step 6: Final answer
x = 1,486,159.59
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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.