Finding the Fourth Proportional to 2,769,817.30, 3,822,985.43 and 1,624,266.70
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Solution
The fourth proportional to 2,769,817.30, 3,822,985.43 and 1,624,266.70 is: 2,241,861.92
Step by Step Solution
- Step 1: Write the proportion equation
2,769,817.30 : 3,822,985.43 = 1,624,266.70 : x - Step 2: Convert to fraction form
2,769,817.30/3,822,985.43 = 1,624,266.70/x - Step 3: Cross multiply
2,769,817.30x = 3,822,985.43 × 1,624,266.70 - Step 4: Simplify right side
2,769,817.30x = 6,209,547,928,534.18 - Step 5: Solve for x
x = 6,209,547,928,534.18/2,769,817.30 - Step 6: Final answer
x = 2,241,861.92
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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.