Finding the Fourth Proportional to 1,686,550.60, 2,328,132.18 and 1,143,430.12
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Solution
The fourth proportional to 1,686,550.60, 2,328,132.18 and 1,143,430.12 is: 1,578,402.96
Step by Step Solution
- Step 1: Write the proportion equation
1,686,550.60 : 2,328,132.18 = 1,143,430.12 : x - Step 2: Convert to fraction form
1,686,550.60/2,328,132.18 = 1,143,430.12/x - Step 3: Cross multiply
1,686,550.60x = 2,328,132.18 × 1,143,430.12 - Step 4: Simplify right side
1,686,550.60x = 2,662,056,457,953.26 - Step 5: Solve for x
x = 2,662,056,457,953.26/1,686,550.60 - Step 6: Final answer
x = 1,578,402.96
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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.