Finding the Fourth Proportional to 1,617,490.35, 2,421,443.21 and 1,198,646.19
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Solution
The fourth proportional to 1,617,490.35, 2,421,443.21 and 1,198,646.19 is: 1,794,417.92
Step by Step Solution
- Step 1: Write the proportion equation
1,617,490.35 : 2,421,443.21 = 1,198,646.19 : x - Step 2: Convert to fraction form
1,617,490.35/2,421,443.21 = 1,198,646.19/x - Step 3: Cross multiply
1,617,490.35x = 2,421,443.21 × 1,198,646.19 - Step 4: Simplify right side
1,617,490.35x = 2,902,453,671,974.64 - Step 5: Solve for x
x = 2,902,453,671,974.64/1,617,490.35 - Step 6: Final answer
x = 1,794,417.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.