Finding the Fourth Proportional to 2,818,365.98, 3,889,332.06 and 1,529,203.19
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Solution
The fourth proportional to 2,818,365.98, 3,889,332.06 and 1,529,203.19 is: 2,110,293.35
Step by Step Solution
- Step 1: Write the proportion equation
2,818,365.98 : 3,889,332.06 = 1,529,203.19 : x - Step 2: Convert to fraction form
2,818,365.98/3,889,332.06 = 1,529,203.19/x - Step 3: Cross multiply
2,818,365.98x = 3,889,332.06 × 1,529,203.19 - Step 4: Simplify right side
2,818,365.98x = 5,947,578,993,121.27 - Step 5: Solve for x
x = 5,947,578,993,121.27/2,818,365.98 - Step 6: Final answer
x = 2,110,293.35
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1.5x scale
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.