Finding the Fourth Proportional to 2,188,916.08, 3,020,982.84 and 1,270,962.48
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Solution
The fourth proportional to 2,188,916.08, 3,020,982.84 and 1,270,962.48 is: 1,754,090.02
Step by Step Solution
- Step 1: Write the proportion equation
2,188,916.08 : 3,020,982.84 = 1,270,962.48 : x - Step 2: Convert to fraction form
2,188,916.08/3,020,982.84 = 1,270,962.48/x - Step 3: Cross multiply
2,188,916.08x = 3,020,982.84 × 1,270,962.48 - Step 4: Simplify right side
2,188,916.08x = 3,839,555,842,363.84 - Step 5: Solve for x
x = 3,839,555,842,363.84/2,188,916.08 - Step 6: Final answer
x = 1,754,090.02
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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.