Finding the Fourth Proportional to 1,817,656.34, 2,508,218.28 and 1,053,759.12
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Solution
The fourth proportional to 1,817,656.34, 2,508,218.28 and 1,053,759.12 is: 1,454,102.09
Step by Step Solution
- Step 1: Write the proportion equation
1,817,656.34 : 2,508,218.28 = 1,053,759.12 : x - Step 2: Convert to fraction form
1,817,656.34/2,508,218.28 = 1,053,759.12/x - Step 3: Cross multiply
1,817,656.34x = 2,508,218.28 × 1,053,759.12 - Step 4: Simplify right side
1,817,656.34x = 2,643,057,887,500.71 - Step 5: Solve for x
x = 2,643,057,887,500.71/1,817,656.34 - Step 6: Final answer
x = 1,454,102.09
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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.