Finding the Fourth Proportional to 3,698,488.42, 5,105,485.10 and 2,248,646.74
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Solution
The fourth proportional to 3,698,488.42, 5,105,485.10 and 2,248,646.74 is: 3,104,087.70
Step by Step Solution
- Step 1: Write the proportion equation
3,698,488.42 : 5,105,485.10 = 2,248,646.74 : x - Step 2: Convert to fraction form
3,698,488.42/5,105,485.10 = 2,248,646.74/x - Step 3: Cross multiply
3,698,488.42x = 5,105,485.10 × 2,248,646.74 - Step 4: Simplify right side
3,698,488.42x = 11,480,432,426,233.57 - Step 5: Solve for x
x = 11,480,432,426,233.57/3,698,488.42 - Step 6: Final answer
x = 3,104,087.70
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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.