Finding the Fourth Proportional to 3,248,730.68, 4,483,301.21 and 1,778,614.42
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Solution
The fourth proportional to 3,248,730.68, 4,483,301.21 and 1,778,614.42 is: 2,454,516.85
Step by Step Solution
- Step 1: Write the proportion equation
3,248,730.68 : 4,483,301.21 = 1,778,614.42 : x - Step 2: Convert to fraction form
3,248,730.68/4,483,301.21 = 1,778,614.42/x - Step 3: Cross multiply
3,248,730.68x = 4,483,301.21 × 1,778,614.42 - Step 4: Simplify right side
3,248,730.68x = 7,974,064,181,309.45 - Step 5: Solve for x
x = 7,974,064,181,309.45/3,248,730.68 - Step 6: Final answer
x = 2,454,516.85
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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.