Finding the Fourth Proportional to 1,501,106.76, 2,071,528.35 and 812,779.08
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Solution
The fourth proportional to 1,501,106.76, 2,071,528.35 and 812,779.08 is: 1,121,635.68
Step by Step Solution
- Step 1: Write the proportion equation
1,501,106.76 : 2,071,528.35 = 812,779.08 : x - Step 2: Convert to fraction form
1,501,106.76/2,071,528.35 = 812,779.08/x - Step 3: Cross multiply
1,501,106.76x = 2,071,528.35 × 812,779.08 - Step 4: Simplify right side
1,501,106.76x = 1,683,694,906,506.92 - Step 5: Solve for x
x = 1,683,694,906,506.92/1,501,106.76 - Step 6: Final answer
x = 1,121,635.68
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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.