Finding the Fourth Proportional to 3,487,251.12, 5,230,893.39 and 1,058,425.47
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Solution
The fourth proportional to 3,487,251.12, 5,230,893.39 and 1,058,425.47 is: 1,587,643.28
Step by Step Solution
- Step 1: Write the proportion equation
3,487,251.12 : 5,230,893.39 = 1,058,425.47 : x - Step 2: Convert to fraction form
3,487,251.12/5,230,893.39 = 1,058,425.47/x - Step 3: Cross multiply
3,487,251.12x = 5,230,893.39 × 1,058,425.47 - Step 4: Simplify right side
3,487,251.12x = 5,536,510,794,830.64 - Step 5: Solve for x
x = 5,536,510,794,830.64/3,487,251.12 - Step 6: Final answer
x = 1,587,643.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.