Finding the Fourth Proportional to 1,692,703.05, 2,335,922.98 and 928,740.21
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Solution
The fourth proportional to 1,692,703.05, 2,335,922.98 and 928,740.21 is: 1,281,657.52
Step by Step Solution
- Step 1: Write the proportion equation
1,692,703.05 : 2,335,922.98 = 928,740.21 : x - Step 2: Convert to fraction form
1,692,703.05/2,335,922.98 = 928,740.21/x - Step 3: Cross multiply
1,692,703.05x = 2,335,922.98 × 928,740.21 - Step 4: Simplify right side
1,692,703.05x = 2,169,465,598,989.03 - Step 5: Solve for x
x = 2,169,465,598,989.03/1,692,703.05 - Step 6: Final answer
x = 1,281,657.52
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1.5x scale
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.