Finding the Fourth Proportional to 2,069,857.12, 3,104,567.24 and 553,693.12
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Solution
The fourth proportional to 2,069,857.12, 3,104,567.24 and 553,693.12 is: 830,481.25
Step by Step Solution
- Step 1: Write the proportion equation
2,069,857.12 : 3,104,567.24 = 553,693.12 : x - Step 2: Convert to fraction form
2,069,857.12/3,104,567.24 = 553,693.12/x - Step 3: Cross multiply
2,069,857.12x = 3,104,567.24 × 553,693.12 - Step 4: Simplify right side
2,069,857.12x = 1,718,977,521,365.39 - Step 5: Solve for x
x = 1,718,977,521,365.39/2,069,857.12 - Step 6: Final answer
x = 830,481.25
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1.5x scale
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.