Finding the Fourth Proportional to 1,225,239.66, 1,837,617.21 and 1,164,479.13
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Solution
The fourth proportional to 1,225,239.66, 1,837,617.21 and 1,164,479.13 is: 1,746,488.43
Step by Step Solution
- Step 1: Write the proportion equation
1,225,239.66 : 1,837,617.21 = 1,164,479.13 : x - Step 2: Convert to fraction form
1,225,239.66/1,837,617.21 = 1,164,479.13/x - Step 3: Cross multiply
1,225,239.66x = 1,837,617.21 × 1,164,479.13 - Step 4: Simplify right side
1,225,239.66x = 2,139,866,889,973.83 - Step 5: Solve for x
x = 2,139,866,889,973.83/1,225,239.66 - Step 6: Final answer
x = 1,746,488.43
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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.