Finding the Fourth Proportional to 1,808,091.49, 2,712,898.10 and 1,125,549.64
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Solution
The fourth proportional to 1,808,091.49, 2,712,898.10 and 1,125,549.64 is: 1,688,798.09
Step by Step Solution
- Step 1: Write the proportion equation
1,808,091.49 : 2,712,898.10 = 1,125,549.64 : x - Step 2: Convert to fraction form
1,808,091.49/2,712,898.10 = 1,125,549.64/x - Step 3: Cross multiply
1,808,091.49x = 2,712,898.10 × 1,125,549.64 - Step 4: Simplify right side
1,808,091.49x = 3,053,501,460,619.45 - Step 5: Solve for x
x = 3,053,501,460,619.45/1,808,091.49 - Step 6: Final answer
x = 1,688,798.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.