Finding the Fourth Proportional to 3,119,871, 4,679,214.66 and 1,520,825.88
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Solution
The fourth proportional to 3,119,871, 4,679,214.66 and 1,520,825.88 is: 2,280,950.32
Step by Step Solution
- Step 1: Write the proportion equation
3,119,871 : 4,679,214.66 = 1,520,825.88 : x - Step 2: Convert to fraction form
3,119,871/4,679,214.66 = 1,520,825.88/x - Step 3: Cross multiply
3,119,871x = 4,679,214.66 × 1,520,825.88 - Step 4: Simplify right side
3,119,871x = 7,116,270,753,003.40 - Step 5: Solve for x
x = 7,116,270,753,003.40/3,119,871 - Step 6: Final answer
x = 2,280,950.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.