Finding the Fourth Proportional to 1,646,202.36, 2,271,652.38 and 920,924.76
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Solution
The fourth proportional to 1,646,202.36, 2,271,652.38 and 920,924.76 is: 1,270,816.38
Step by Step Solution
- Step 1: Write the proportion equation
1,646,202.36 : 2,271,652.38 = 920,924.76 : x - Step 2: Convert to fraction form
1,646,202.36/2,271,652.38 = 920,924.76/x - Step 3: Cross multiply
1,646,202.36x = 2,271,652.38 × 920,924.76 - Step 4: Simplify right side
1,646,202.36x = 2,092,020,922,854.93 - Step 5: Solve for x
x = 2,092,020,922,854.93/1,646,202.36 - Step 6: Final answer
x = 1,270,816.38
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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.