Finding the Fourth Proportional to 1,754,899.14, 2,421,538.20 and 1,029,482.18
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Solution
The fourth proportional to 1,754,899.14, 2,421,538.20 and 1,029,482.18 is: 1,420,554.81
Step by Step Solution
- Step 1: Write the proportion equation
1,754,899.14 : 2,421,538.20 = 1,029,482.18 : x - Step 2: Convert to fraction form
1,754,899.14/2,421,538.20 = 1,029,482.18/x - Step 3: Cross multiply
1,754,899.14x = 2,421,538.20 × 1,029,482.18 - Step 4: Simplify right side
1,754,899.14x = 2,492,930,407,834.17 - Step 5: Solve for x
x = 2,492,930,407,834.17/1,754,899.14 - Step 6: Final answer
x = 1,420,554.81
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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.