Finding the Fourth Proportional to 3,605,783.81, 4,975,792.58 and 1,973,878.62
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Solution
The fourth proportional to 3,605,783.81, 4,975,792.58 and 1,973,878.62 is: 2,723,848.99
Step by Step Solution
- Step 1: Write the proportion equation
3,605,783.81 : 4,975,792.58 = 1,973,878.62 : x - Step 2: Convert to fraction form
3,605,783.81/4,975,792.58 = 1,973,878.62/x - Step 3: Cross multiply
3,605,783.81x = 4,975,792.58 × 1,973,878.62 - Step 4: Simplify right side
3,605,783.81x = 9,821,610,581,347.25 - Step 5: Solve for x
x = 9,821,610,581,347.25/3,605,783.81 - Step 6: Final answer
x = 2,723,848.99
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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.