Finding the Fourth Proportional to 1,513,444.88, 2,088,568.09 and 834,405.68
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Solution
The fourth proportional to 1,513,444.88, 2,088,568.09 and 834,405.68 is: 1,151,487.64
Step by Step Solution
- Step 1: Write the proportion equation
1,513,444.88 : 2,088,568.09 = 834,405.68 : x - Step 2: Convert to fraction form
1,513,444.88/2,088,568.09 = 834,405.68/x - Step 3: Cross multiply
1,513,444.88x = 2,088,568.09 × 834,405.68 - Step 4: Simplify right side
1,513,444.88x = 1,742,713,064,833.90 - Step 5: Solve for x
x = 1,742,713,064,833.90/1,513,444.88 - Step 6: Final answer
x = 1,151,487.64
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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.