Finding the Fourth Proportional to 1,316,921.63, 1,817,351.91 and 713,309.63
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Solution
The fourth proportional to 1,316,921.63, 1,817,351.91 and 713,309.63 is: 984,367.32
Step by Step Solution
- Step 1: Write the proportion equation
1,316,921.63 : 1,817,351.91 = 713,309.63 : x - Step 2: Convert to fraction form
1,316,921.63/1,817,351.91 = 713,309.63/x - Step 3: Cross multiply
1,316,921.63x = 1,817,351.91 × 713,309.63 - Step 4: Simplify right side
1,316,921.63x = 1,296,334,609,415.13 - Step 5: Solve for x
x = 1,296,334,609,415.13/1,316,921.63 - Step 6: Final answer
x = 984,367.32
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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.