Finding the Fourth Proportional to 1,513,643.58, 2,088,844.47 and 825,309.81
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Solution
The fourth proportional to 1,513,643.58, 2,088,844.47 and 825,309.81 is: 1,138,936.44
Step by Step Solution
- Step 1: Write the proportion equation
1,513,643.58 : 2,088,844.47 = 825,309.81 : x - Step 2: Convert to fraction form
1,513,643.58/2,088,844.47 = 825,309.81/x - Step 3: Cross multiply
1,513,643.58x = 2,088,844.47 × 825,309.81 - Step 4: Simplify right side
1,513,643.58x = 1,723,943,832,655.25 - Step 5: Solve for x
x = 1,723,943,832,655.25/1,513,643.58 - Step 6: Final answer
x = 1,138,936.44
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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.