Finding the Fourth Proportional to 4,974,588.87, 6,864,852.22 and 2,799,130.76
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Solution
The fourth proportional to 4,974,588.87, 6,864,852.22 and 2,799,130.76 is: 3,862,755.20
Step by Step Solution
- Step 1: Write the proportion equation
4,974,588.87 : 6,864,852.22 = 2,799,130.76 : x - Step 2: Convert to fraction form
4,974,588.87/6,864,852.22 = 2,799,130.76/x - Step 3: Cross multiply
4,974,588.87x = 6,864,852.22 × 2,799,130.76 - Step 4: Simplify right side
4,974,588.87x = 19,215,619,011,856.29 - Step 5: Solve for x
x = 19,215,619,011,856.29/4,974,588.87 - Step 6: Final answer
x = 3,862,755.20
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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.