Finding the Fourth Proportional to 3,166,983.12, 4,374,068.76 and 2,084,089.08
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Solution
The fourth proportional to 3,166,983.12, 4,374,068.76 and 2,084,089.08 is: 2,878,433.07
Step by Step Solution
- Step 1: Write the proportion equation
3,166,983.12 : 4,374,068.76 = 2,084,089.08 : x - Step 2: Convert to fraction form
3,166,983.12/4,374,068.76 = 2,084,089.08/x - Step 3: Cross multiply
3,166,983.12x = 4,374,068.76 × 2,084,089.08 - Step 4: Simplify right side
3,166,983.12x = 9,115,948,937,885.14 - Step 5: Solve for x
x = 9,115,948,937,885.14/3,166,983.12 - Step 6: Final answer
x = 2,878,433.07
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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.