Finding the Fourth Proportional to 2,042,748, 2,819,011.68 and 1,137,349.44
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Solution
The fourth proportional to 2,042,748, 2,819,011.68 and 1,137,349.44 is: 1,569,553.05
Step by Step Solution
- Step 1: Write the proportion equation
2,042,748 : 2,819,011.68 = 1,137,349.44 : x - Step 2: Convert to fraction form
2,042,748/2,819,011.68 = 1,137,349.44/x - Step 3: Cross multiply
2,042,748x = 2,819,011.68 × 1,137,349.44 - Step 4: Simplify right side
2,042,748x = 3,206,201,355,601.46 - Step 5: Solve for x
x = 3,206,201,355,601.46/2,042,748 - Step 6: Final answer
x = 1,569,553.05
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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.