Finding the Fourth Proportional to 4,638,421.98, 6,958,289.34 and 1,443,871.08
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Solution
The fourth proportional to 4,638,421.98, 6,958,289.34 and 1,443,871.08 is: 2,166,010.94
Step by Step Solution
- Step 1: Write the proportion equation
4,638,421.98 : 6,958,289.34 = 1,443,871.08 : x - Step 2: Convert to fraction form
4,638,421.98/6,958,289.34 = 1,443,871.08/x - Step 3: Cross multiply
4,638,421.98x = 6,958,289.34 × 1,443,871.08 - Step 4: Simplify right side
4,638,421.98x = 10,046,872,744,298.29 - Step 5: Solve for x
x = 10,046,872,744,298.29/4,638,421.98 - Step 6: Final answer
x = 2,166,010.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.