Finding the Fourth Proportional to 4,369,068.40, 6,567,599.40 and 3,115,577.20
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Solution
The fourth proportional to 4,369,068.40, 6,567,599.40 and 3,115,577.20 is: 4,683,346.90
Step by Step Solution
- Step 1: Write the proportion equation
4,369,068.40 : 6,567,599.40 = 3,115,577.20 : x - Step 2: Convert to fraction form
4,369,068.40/6,567,599.40 = 3,115,577.20/x - Step 3: Cross multiply
4,369,068.40x = 6,567,599.40 × 3,115,577.20 - Step 4: Simplify right side
4,369,068.40x = 20,461,862,949,373.68 - Step 5: Solve for x
x = 20,461,862,949,373.68/4,369,068.40 - Step 6: Final answer
x = 4,683,346.90
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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.