Finding the Fourth Proportional to 1,670,407.30, 2,305,162.10 and 906,460.87
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Solution
The fourth proportional to 1,670,407.30, 2,305,162.10 and 906,460.87 is: 1,250,916.01
Step by Step Solution
- Step 1: Write the proportion equation
1,670,407.30 : 2,305,162.10 = 906,460.87 : x - Step 2: Convert to fraction form
1,670,407.30/2,305,162.10 = 906,460.87/x - Step 3: Cross multiply
1,670,407.30x = 2,305,162.10 × 906,460.87 - Step 4: Simplify right side
1,670,407.30x = 2,089,539,242,657.03 - Step 5: Solve for x
x = 2,089,539,242,657.03/1,670,407.30 - Step 6: Final answer
x = 1,250,916.01
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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.