Finding the Fourth Proportional to 1,529,782.47, 2,110,721.90 and 956,535.75
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Solution
The fourth proportional to 1,529,782.47, 2,110,721.90 and 956,535.75 is: 1,319,783.03
Step by Step Solution
- Step 1: Write the proportion equation
1,529,782.47 : 2,110,721.90 = 956,535.75 : x - Step 2: Convert to fraction form
1,529,782.47/2,110,721.90 = 956,535.75/x - Step 3: Cross multiply
1,529,782.47x = 2,110,721.90 × 956,535.75 - Step 4: Simplify right side
1,529,782.47x = 2,018,980,950,875.25 - Step 5: Solve for x
x = 2,018,980,950,875.25/1,529,782.47 - Step 6: Final answer
x = 1,319,783.03
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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.