Finding the Fourth Proportional to 1,356,803.19, 1,873,264.64 and 841,108.18
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Solution
The fourth proportional to 1,356,803.19, 1,873,264.64 and 841,108.18 is: 1,161,272.49
Step by Step Solution
- Step 1: Write the proportion equation
1,356,803.19 : 1,873,264.64 = 841,108.18 : x - Step 2: Convert to fraction form
1,356,803.19/1,873,264.64 = 841,108.18/x - Step 3: Cross multiply
1,356,803.19x = 1,873,264.64 × 841,108.18 - Step 4: Simplify right side
1,356,803.19x = 1,575,618,212,008.76 - Step 5: Solve for x
x = 1,575,618,212,008.76/1,356,803.19 - Step 6: Final answer
x = 1,161,272.49
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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.