Finding the Fourth Proportional to 2,547,256.23, 3,520,257.12 and 2,087,645.94
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Solution
The fourth proportional to 2,547,256.23, 3,520,257.12 and 2,087,645.94 is: 2,885,084.90
Step by Step Solution
- Step 1: Write the proportion equation
2,547,256.23 : 3,520,257.12 = 2,087,645.94 : x - Step 2: Convert to fraction form
2,547,256.23/3,520,257.12 = 2,087,645.94/x - Step 3: Cross multiply
2,547,256.23x = 3,520,257.12 × 2,087,645.94 - Step 4: Simplify right side
2,547,256.23x = 7,349,050,484,324.09 - Step 5: Solve for x
x = 7,349,050,484,324.09/2,547,256.23 - Step 6: Final answer
x = 2,885,084.90
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1.5x scale
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.