Finding the Fourth Proportional to 4,014,356.15, 5,539,828.12 and 2,178,817.08
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Solution
The fourth proportional to 4,014,356.15, 5,539,828.12 and 2,178,817.08 is: 3,006,776.60
Step by Step Solution
- Step 1: Write the proportion equation
4,014,356.15 : 5,539,828.12 = 2,178,817.08 : x - Step 2: Convert to fraction form
4,014,356.15/5,539,828.12 = 2,178,817.08/x - Step 3: Cross multiply
4,014,356.15x = 5,539,828.12 × 2,178,817.08 - Step 4: Simplify right side
4,014,356.15x = 12,070,272,122,673.25 - Step 5: Solve for x
x = 12,070,272,122,673.25/4,014,356.15 - Step 6: Final answer
x = 3,006,776.60
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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.