Finding the Fourth Proportional to 1,702,547.19, 2,349,531.17 and 938,628.09
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Solution
The fourth proportional to 1,702,547.19, 2,349,531.17 and 938,628.09 is: 1,295,315.61
Step by Step Solution
- Step 1: Write the proportion equation
1,702,547.19 : 2,349,531.17 = 938,628.09 : x - Step 2: Convert to fraction form
1,702,547.19/2,349,531.17 = 938,628.09/x - Step 3: Cross multiply
1,702,547.19x = 2,349,531.17 × 938,628.09 - Step 4: Simplify right side
1,702,547.19x = 2,205,335,954,492.57 - Step 5: Solve for x
x = 2,205,335,954,492.57/1,702,547.19 - Step 6: Final answer
x = 1,295,315.61
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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.