Finding the Fourth Proportional to 1,445,415.02, 2,167,449.42 and 646,703.18
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Solution
The fourth proportional to 1,445,415.02, 2,167,449.42 and 646,703.18 is: 969,753.61
Step by Step Solution
- Step 1: Write the proportion equation
1,445,415.02 : 2,167,449.42 = 646,703.18 : x - Step 2: Convert to fraction form
1,445,415.02/2,167,449.42 = 646,703.18/x - Step 3: Cross multiply
1,445,415.02x = 2,167,449.42 × 646,703.18 - Step 4: Simplify right side
1,445,415.02x = 1,401,696,432,403.16 - Step 5: Solve for x
x = 1,401,696,432,403.16/1,445,415.02 - Step 6: Final answer
x = 969,753.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.