Finding the Fourth Proportional to 1,888,465.50, 2,830,681.08 and 1,077,102.81
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Solution
The fourth proportional to 1,888,465.50, 2,830,681.08 and 1,077,102.81 is: 1,614,503.70
Step by Step Solution
- Step 1: Write the proportion equation
1,888,465.50 : 2,830,681.08 = 1,077,102.81 : x - Step 2: Convert to fraction form
1,888,465.50/2,830,681.08 = 1,077,102.81/x - Step 3: Cross multiply
1,888,465.50x = 2,830,681.08 × 1,077,102.81 - Step 4: Simplify right side
1,888,465.50x = 3,048,934,545,481.84 - Step 5: Solve for x
x = 3,048,934,545,481.84/1,888,465.50 - Step 6: Final answer
x = 1,614,503.70
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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.