Finding the Fourth Proportional to 1,790,918.84, 2,471,515.13 and 975,156.91
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Solution
The fourth proportional to 1,790,918.84, 2,471,515.13 and 975,156.91 is: 1,345,742.19
Step by Step Solution
- Step 1: Write the proportion equation
1,790,918.84 : 2,471,515.13 = 975,156.91 : x - Step 2: Convert to fraction form
1,790,918.84/2,471,515.13 = 975,156.91/x - Step 3: Cross multiply
1,790,918.84x = 2,471,515.13 × 975,156.91 - Step 4: Simplify right side
1,790,918.84x = 2,410,115,053,448.15 - Step 5: Solve for x
x = 2,410,115,053,448.15/1,790,918.84 - Step 6: Final answer
x = 1,345,742.19
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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.