Finding the Fourth Proportional to 2,103,931.16, 2,902,078.68 and 1,459,116.08
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Solution
The fourth proportional to 2,103,931.16, 2,902,078.68 and 1,459,116.08 is: 2,012,646.49
Step by Step Solution
- Step 1: Write the proportion equation
2,103,931.16 : 2,902,078.68 = 1,459,116.08 : x - Step 2: Convert to fraction form
2,103,931.16/2,902,078.68 = 1,459,116.08/x - Step 3: Cross multiply
2,103,931.16x = 2,902,078.68 × 1,459,116.08 - Step 4: Simplify right side
2,103,931.16x = 4,234,469,666,521.42 - Step 5: Solve for x
x = 4,234,469,666,521.42/2,103,931.16 - Step 6: Final answer
x = 2,012,646.49
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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.