Finding the Fourth Proportional to 2,519,881.29, 3,477,349.58 and 1,432,133.91
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Solution
The fourth proportional to 2,519,881.29, 3,477,349.58 and 1,432,133.91 is: 1,976,295.58
Step by Step Solution
- Step 1: Write the proportion equation
2,519,881.29 : 3,477,349.58 = 1,432,133.91 : x - Step 2: Convert to fraction form
2,519,881.29/3,477,349.58 = 1,432,133.91/x - Step 3: Cross multiply
2,519,881.29x = 3,477,349.58 × 1,432,133.91 - Step 4: Simplify right side
2,519,881.29x = 4,980,030,243,281.59 - Step 5: Solve for x
x = 4,980,030,243,281.59/2,519,881.29 - Step 6: Final answer
x = 1,976,295.58
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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.