Finding the Fourth Proportional to 1,959,488.40, 2,704,389.12 and 1,195,985.64
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Solution
The fourth proportional to 1,959,488.40, 2,704,389.12 and 1,195,985.64 is: 1,650,640.32
Step by Step Solution
- Step 1: Write the proportion equation
1,959,488.40 : 2,704,389.12 = 1,195,985.64 : x - Step 2: Convert to fraction form
1,959,488.40/2,704,389.12 = 1,195,985.64/x - Step 3: Cross multiply
1,959,488.40x = 2,704,389.12 × 1,195,985.64 - Step 4: Simplify right side
1,959,488.40x = 3,234,410,552,492.24 - Step 5: Solve for x
x = 3,234,410,552,492.24/1,959,488.40 - Step 6: Final answer
x = 1,650,640.32
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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.