Finding the Fourth Proportional to 2,292,128.84, 3,163,156.54 and 1,433,187.02
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Solution
The fourth proportional to 2,292,128.84, 3,163,156.54 and 1,433,187.02 is: 1,977,809.81
Step by Step Solution
- Step 1: Write the proportion equation
2,292,128.84 : 3,163,156.54 = 1,433,187.02 : x - Step 2: Convert to fraction form
2,292,128.84/3,163,156.54 = 1,433,187.02/x - Step 3: Cross multiply
2,292,128.84x = 3,163,156.54 × 1,433,187.02 - Step 4: Simplify right side
2,292,128.84x = 4,533,394,895,356.11 - Step 5: Solve for x
x = 4,533,394,895,356.11/2,292,128.84 - Step 6: Final answer
x = 1,977,809.81
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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.