Finding the Fourth Proportional to 3,480,806.05, 4,803,437.86 and 1,931,977.41
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Solution
The fourth proportional to 3,480,806.05, 4,803,437.86 and 1,931,977.41 is: 2,666,087.48
Step by Step Solution
- Step 1: Write the proportion equation
3,480,806.05 : 4,803,437.86 = 1,931,977.41 : x - Step 2: Convert to fraction form
3,480,806.05/4,803,437.86 = 1,931,977.41/x - Step 3: Cross multiply
3,480,806.05x = 4,803,437.86 × 1,931,977.41 - Step 4: Simplify right side
3,480,806.05x = 9,280,133,435,858.74 - Step 5: Solve for x
x = 9,280,133,435,858.74/3,480,806.05 - Step 6: Final answer
x = 2,666,087.48
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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.