Finding the Fourth Proportional to 1,692,803.08, 2,335,898.10 and 1,013,722.12
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Solution
The fourth proportional to 1,692,803.08, 2,335,898.10 and 1,013,722.12 is: 1,398,834.63
Step by Step Solution
- Step 1: Write the proportion equation
1,692,803.08 : 2,335,898.10 = 1,013,722.12 : x - Step 2: Convert to fraction form
1,692,803.08/2,335,898.10 = 1,013,722.12/x - Step 3: Cross multiply
1,692,803.08x = 2,335,898.10 × 1,013,722.12 - Step 4: Simplify right side
1,692,803.08x = 2,367,951,574,035.97 - Step 5: Solve for x
x = 2,367,951,574,035.97/1,692,803.08 - Step 6: Final answer
x = 1,398,834.63
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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.