Finding the Fourth Proportional to 4,693,420.08, 6,476,384.16 and 2,628,148.56
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Solution
The fourth proportional to 4,693,420.08, 6,476,384.16 and 2,628,148.56 is: 3,626,545.12
Step by Step Solution
- Step 1: Write the proportion equation
4,693,420.08 : 6,476,384.16 = 2,628,148.56 : x - Step 2: Convert to fraction form
4,693,420.08/6,476,384.16 = 2,628,148.56/x - Step 3: Cross multiply
4,693,420.08x = 6,476,384.16 × 2,628,148.56 - Step 4: Simplify right side
4,693,420.08x = 17,020,899,704,110.81 - Step 5: Solve for x
x = 17,020,899,704,110.81/4,693,420.08 - Step 6: Final answer
x = 3,626,545.12
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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.