Finding the Fourth Proportional to 1,104,749.34, 1,649,058.93 and 947,985.18
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Solution
The fourth proportional to 1,104,749.34, 1,649,058.93 and 947,985.18 is: 1,415,057.13
Step by Step Solution
- Step 1: Write the proportion equation
1,104,749.34 : 1,649,058.93 = 947,985.18 : x - Step 2: Convert to fraction form
1,104,749.34/1,649,058.93 = 947,985.18/x - Step 3: Cross multiply
1,104,749.34x = 1,649,058.93 × 947,985.18 - Step 4: Simplify right side
1,104,749.34x = 1,563,283,426,586.66 - Step 5: Solve for x
x = 1,563,283,426,586.66/1,104,749.34 - Step 6: Final answer
x = 1,415,057.13
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.