Finding the Fourth Proportional to 5,064,634.64, 6,989,216.28 and 2,773,008.56
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Solution
The fourth proportional to 5,064,634.64, 6,989,216.28 and 2,773,008.56 is: 3,826,763.02
Step by Step Solution
- Step 1: Write the proportion equation
5,064,634.64 : 6,989,216.28 = 2,773,008.56 : x - Step 2: Convert to fraction form
5,064,634.64/6,989,216.28 = 2,773,008.56/x - Step 3: Cross multiply
5,064,634.64x = 6,989,216.28 × 2,773,008.56 - Step 4: Simplify right side
5,064,634.64x = 19,381,156,572,131.36 - Step 5: Solve for x
x = 19,381,156,572,131.36/5,064,634.64 - Step 6: Final answer
x = 3,826,763.02
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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.