Finding the Fourth Proportional to 1,529,186.95, 2,110,332.09 and 840,911.32
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Solution
The fourth proportional to 1,529,186.95, 2,110,332.09 and 840,911.32 is: 1,160,487.37
Step by Step Solution
- Step 1: Write the proportion equation
1,529,186.95 : 2,110,332.09 = 840,911.32 : x - Step 2: Convert to fraction form
1,529,186.95/2,110,332.09 = 840,911.32/x - Step 3: Cross multiply
1,529,186.95x = 2,110,332.09 × 840,911.32 - Step 4: Simplify right side
1,529,186.95x = 1,774,602,143,440.26 - Step 5: Solve for x
x = 1,774,602,143,440.26/1,529,186.95 - Step 6: Final answer
x = 1,160,487.37
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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.