Finding the Fourth Proportional to 1,555,210.26, 2,146,199.85 and 866,925.81
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Solution
The fourth proportional to 1,555,210.26, 2,146,199.85 and 866,925.81 is: 1,196,363.02
Step by Step Solution
- Step 1: Write the proportion equation
1,555,210.26 : 2,146,199.85 = 866,925.81 : x - Step 2: Convert to fraction form
1,555,210.26/2,146,199.85 = 866,925.81/x - Step 3: Cross multiply
1,555,210.26x = 2,146,199.85 × 866,925.81 - Step 4: Simplify right side
1,555,210.26x = 1,860,596,043,383.13 - Step 5: Solve for x
x = 1,860,596,043,383.13/1,555,210.26 - Step 6: Final answer
x = 1,196,363.02
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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.