Finding the Fourth Proportional to 2,216,308.08, 3,058,373.31 and 1,285,943.99
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Solution
The fourth proportional to 2,216,308.08, 3,058,373.31 and 1,285,943.99 is: 1,774,526.21
Step by Step Solution
- Step 1: Write the proportion equation
2,216,308.08 : 3,058,373.31 = 1,285,943.99 : x - Step 2: Convert to fraction form
2,216,308.08/3,058,373.31 = 1,285,943.99/x - Step 3: Cross multiply
2,216,308.08x = 3,058,373.31 × 1,285,943.99 - Step 4: Simplify right side
2,216,308.08x = 3,932,896,770,741.19 - Step 5: Solve for x
x = 3,932,896,770,741.19/2,216,308.08 - Step 6: Final answer
x = 1,774,526.21
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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.