Finding the Fourth Proportional to 4,435,864.40, 6,644,465.40 and 3,689,368.40
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Solution
The fourth proportional to 4,435,864.40, 6,644,465.40 and 3,689,368.40 is: 5,526,291.71
Step by Step Solution
- Step 1: Write the proportion equation
4,435,864.40 : 6,644,465.40 = 3,689,368.40 : x - Step 2: Convert to fraction form
4,435,864.40/6,644,465.40 = 3,689,368.40/x - Step 3: Cross multiply
4,435,864.40x = 6,644,465.40 × 3,689,368.40 - Step 4: Simplify right side
4,435,864.40x = 24,513,880,681,653.36 - Step 5: Solve for x
x = 24,513,880,681,653.36/4,435,864.40 - Step 6: Final answer
x = 5,526,291.71
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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.