Finding the Fourth Proportional to 2,987,595.34, 4,122,862.14 and 1,698,436.06
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Solution
The fourth proportional to 2,987,595.34, 4,122,862.14 and 1,698,436.06 is: 2,343,830.72
Step by Step Solution
- Step 1: Write the proportion equation
2,987,595.34 : 4,122,862.14 = 1,698,436.06 : x - Step 2: Convert to fraction form
2,987,595.34/4,122,862.14 = 1,698,436.06/x - Step 3: Cross multiply
2,987,595.34x = 4,122,862.14 × 1,698,436.06 - Step 4: Simplify right side
2,987,595.34x = 7,002,417,728,984.77 - Step 5: Solve for x
x = 7,002,417,728,984.77/2,987,595.34 - Step 6: Final answer
x = 2,343,830.72
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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.