Finding the Fourth Proportional to 1,513,316.12, 2,088,390.26 and 834,276.92
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Solution
The fourth proportional to 1,513,316.12, 2,088,390.26 and 834,276.92 is: 1,151,309.88
Step by Step Solution
- Step 1: Write the proportion equation
1,513,316.12 : 2,088,390.26 = 834,276.92 : x - Step 2: Convert to fraction form
1,513,316.12/2,088,390.26 = 834,276.92/x - Step 3: Cross multiply
1,513,316.12x = 2,088,390.26 × 834,276.92 - Step 4: Simplify right side
1,513,316.12x = 1,742,295,793,870.80 - Step 5: Solve for x
x = 1,742,295,793,870.80/1,513,316.12 - Step 6: Final answer
x = 1,151,309.88
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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.