Finding the Fourth Proportional to 4,963,303.88, 7,438,519.18 and 2,228,832.18
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Solution
The fourth proportional to 4,963,303.88, 7,438,519.18 and 2,228,832.18 is: 3,340,357.82
Step by Step Solution
- Step 1: Write the proportion equation
4,963,303.88 : 7,438,519.18 = 2,228,832.18 : x - Step 2: Convert to fraction form
4,963,303.88/7,438,519.18 = 2,228,832.18/x - Step 3: Cross multiply
4,963,303.88x = 7,438,519.18 × 2,228,832.18 - Step 4: Simplify right side
4,963,303.88x = 16,579,210,919,931.21 - Step 5: Solve for x
x = 16,579,210,919,931.21/4,963,303.88 - Step 6: Final answer
x = 3,340,357.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.