Finding the Fourth Proportional to 3,720,802.08, 5,135,268.60 and 2,271,341.16
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Solution
The fourth proportional to 3,720,802.08, 5,135,268.60 and 2,271,341.16 is: 3,134,793.71
Step by Step Solution
- Step 1: Write the proportion equation
3,720,802.08 : 5,135,268.60 = 2,271,341.16 : x - Step 2: Convert to fraction form
3,720,802.08/5,135,268.60 = 2,271,341.16/x - Step 3: Cross multiply
3,720,802.08x = 5,135,268.60 × 2,271,341.16 - Step 4: Simplify right side
3,720,802.08x = 11,663,946,938,835.58 - Step 5: Solve for x
x = 11,663,946,938,835.58/3,720,802.08 - Step 6: Final answer
x = 3,134,793.71
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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.