Finding the Fourth Proportional to 2,052,324.16, 2,830,373.76 and 1,288,448.96
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Solution
The fourth proportional to 2,052,324.16, 2,830,373.76 and 1,288,448.96 is: 1,776,908.44
Step by Step Solution
- Step 1: Write the proportion equation
2,052,324.16 : 2,830,373.76 = 1,288,448.96 : x - Step 2: Convert to fraction form
2,052,324.16/2,830,373.76 = 1,288,448.96/x - Step 3: Cross multiply
2,052,324.16x = 2,830,373.76 × 1,288,448.96 - Step 4: Simplify right side
2,052,324.16x = 3,646,792,127,483.29 - Step 5: Solve for x
x = 3,646,792,127,483.29/2,052,324.16 - Step 6: Final answer
x = 1,776,908.44
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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.