Finding the Fourth Proportional to 6,646,079.99, 9,970,892.15 and 2,386,285.13
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Solution
The fourth proportional to 6,646,079.99, 9,970,892.15 and 2,386,285.13 is: 3,580,063.99
Step by Step Solution
- Step 1: Write the proportion equation
6,646,079.99 : 9,970,892.15 = 2,386,285.13 : x - Step 2: Convert to fraction form
6,646,079.99/9,970,892.15 = 2,386,285.13/x - Step 3: Cross multiply
6,646,079.99x = 9,970,892.15 × 2,386,285.13 - Step 4: Simplify right side
6,646,079.99x = 23,793,391,683,374.53 - Step 5: Solve for x
x = 23,793,391,683,374.53/6,646,079.99 - Step 6: Final answer
x = 3,580,063.99
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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.