Finding the Fourth Proportional to 1,954,457.15, 2,697,312.45 and 1,083,565.13
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Solution
The fourth proportional to 1,954,457.15, 2,697,312.45 and 1,083,565.13 is: 1,495,409.46
Step by Step Solution
- Step 1: Write the proportion equation
1,954,457.15 : 2,697,312.45 = 1,083,565.13 : x - Step 2: Convert to fraction form
1,954,457.15/2,697,312.45 = 1,083,565.13/x - Step 3: Cross multiply
1,954,457.15x = 2,697,312.45 × 1,083,565.13 - Step 4: Simplify right side
1,954,457.15x = 2,922,713,721,284.06 - Step 5: Solve for x
x = 2,922,713,721,284.06/1,954,457.15 - Step 6: Final answer
x = 1,495,409.46
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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.