Finding the Fourth Proportional to 2,931,437.21, 4,045,285.13 and 1,624,633.62
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Solution
The fourth proportional to 2,931,437.21, 4,045,285.13 and 1,624,633.62 is: 2,241,939.96
Step by Step Solution
- Step 1: Write the proportion equation
2,931,437.21 : 4,045,285.13 = 1,624,633.62 : x - Step 2: Convert to fraction form
2,931,437.21/4,045,285.13 = 1,624,633.62/x - Step 3: Cross multiply
2,931,437.21x = 4,045,285.13 × 1,624,633.62 - Step 4: Simplify right side
2,931,437.21x = 6,572,106,216,560.90 - Step 5: Solve for x
x = 6,572,106,216,560.90/2,931,437.21 - Step 6: Final answer
x = 2,241,939.96
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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.