Finding the Fourth Proportional to 2,043,315.12, 2,819,774.68 and 1,184,373.60
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Solution
The fourth proportional to 2,043,315.12, 2,819,774.68 and 1,184,373.60 is: 1,634,435.46
Step by Step Solution
- Step 1: Write the proportion equation
2,043,315.12 : 2,819,774.68 = 1,184,373.60 : x - Step 2: Convert to fraction form
2,043,315.12/2,819,774.68 = 1,184,373.60/x - Step 3: Cross multiply
2,043,315.12x = 2,819,774.68 × 1,184,373.60 - Step 4: Simplify right side
2,043,315.12x = 3,339,666,688,940.45 - Step 5: Solve for x
x = 3,339,666,688,940.45/2,043,315.12 - Step 6: Final answer
x = 1,634,435.46
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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.