Finding the Fourth Proportional to 1,618,867.18, 2,234,040.45 and 893,715.40
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Solution
The fourth proportional to 1,618,867.18, 2,234,040.45 and 893,715.40 is: 1,233,329.32
Step by Step Solution
- Step 1: Write the proportion equation
1,618,867.18 : 2,234,040.45 = 893,715.40 : x - Step 2: Convert to fraction form
1,618,867.18/2,234,040.45 = 893,715.40/x - Step 3: Cross multiply
1,618,867.18x = 2,234,040.45 × 893,715.40 - Step 4: Simplify right side
1,618,867.18x = 1,996,596,354,387.93 - Step 5: Solve for x
x = 1,996,596,354,387.93/1,618,867.18 - Step 6: Final answer
x = 1,233,329.32
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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.