Finding the Fourth Proportional to 2,137,703.56, 2,949,925.66 and 1,170,838.12
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Solution
The fourth proportional to 2,137,703.56, 2,949,925.66 and 1,170,838.12 is: 1,615,698.96
Step by Step Solution
- Step 1: Write the proportion equation
2,137,703.56 : 2,949,925.66 = 1,170,838.12 : x - Step 2: Convert to fraction form
2,137,703.56/2,949,925.66 = 1,170,838.12/x - Step 3: Cross multiply
2,137,703.56x = 2,949,925.66 × 1,170,838.12 - Step 4: Simplify right side
2,137,703.56x = 3,453,885,413,894.16 - Step 5: Solve for x
x = 3,453,885,413,894.16/2,137,703.56 - Step 6: Final answer
x = 1,615,698.96
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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.