Finding the Fourth Proportional to 4,911,207.81, 7,366,746.11 and 1,267,950.12
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Solution
The fourth proportional to 4,911,207.81, 7,366,746.11 and 1,267,950.12 is: 1,901,908.24
Step by Step Solution
- Step 1: Write the proportion equation
4,911,207.81 : 7,366,746.11 = 1,267,950.12 : x - Step 2: Convert to fraction form
4,911,207.81/7,366,746.11 = 1,267,950.12/x - Step 3: Cross multiply
4,911,207.81x = 7,366,746.11 × 1,267,950.12 - Step 4: Simplify right side
4,911,207.81x = 9,340,666,607,844.28 - Step 5: Solve for x
x = 9,340,666,607,844.28/4,911,207.81 - Step 6: Final answer
x = 1,901,908.24
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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.