Finding the Fourth Proportional to 2,872,558.70, 3,964,130.04 and 1,583,420.62
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Solution
The fourth proportional to 2,872,558.70, 3,964,130.04 and 1,583,420.62 is: 2,185,119.92
Step by Step Solution
- Step 1: Write the proportion equation
2,872,558.70 : 3,964,130.04 = 1,583,420.62 : x - Step 2: Convert to fraction form
2,872,558.70/3,964,130.04 = 1,583,420.62/x - Step 3: Cross multiply
2,872,558.70x = 3,964,130.04 × 1,583,420.62 - Step 4: Simplify right side
2,872,558.70x = 6,276,885,245,697.43 - Step 5: Solve for x
x = 6,276,885,245,697.43/2,872,558.70 - Step 6: Final answer
x = 2,185,119.92
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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.