Finding the Fourth Proportional to 2,931,330.74, 4,045,236.81 and 1,624,667.14
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Solution
The fourth proportional to 2,931,330.74, 4,045,236.81 and 1,624,667.14 is: 2,242,040.87
Step by Step Solution
- Step 1: Write the proportion equation
2,931,330.74 : 4,045,236.81 = 1,624,667.14 : x - Step 2: Convert to fraction form
2,931,330.74/4,045,236.81 = 1,624,667.14/x - Step 3: Cross multiply
2,931,330.74x = 4,045,236.81 × 1,624,667.14 - Step 4: Simplify right side
2,931,330.74x = 6,572,163,328,507.10 - Step 5: Solve for x
x = 6,572,163,328,507.10/2,931,330.74 - Step 6: Final answer
x = 2,242,040.87
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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.