Finding the Fourth Proportional to 1,513,444.68, 2,088,459.18 and 834,381.18
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Solution
The fourth proportional to 1,513,444.68, 2,088,459.18 and 834,381.18 is: 1,151,393.94
Step by Step Solution
- Step 1: Write the proportion equation
1,513,444.68 : 2,088,459.18 = 834,381.18 : x - Step 2: Convert to fraction form
1,513,444.68/2,088,459.18 = 834,381.18/x - Step 3: Cross multiply
1,513,444.68x = 2,088,459.18 × 834,381.18 - Step 4: Simplify right side
1,513,444.68x = 1,742,571,034,990.23 - Step 5: Solve for x
x = 1,742,571,034,990.23/1,513,444.68 - Step 6: Final answer
x = 1,151,393.94
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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.