Finding the Fourth Proportional to 6,321,875.18, 8,724,215.57 and 3,421,266.48
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Solution
The fourth proportional to 6,321,875.18, 8,724,215.57 and 3,421,266.48 is: 4,721,362.80
Step by Step Solution
- Step 1: Write the proportion equation
6,321,875.18 : 8,724,215.57 = 3,421,266.48 : x - Step 2: Convert to fraction form
6,321,875.18/8,724,215.57 = 3,421,266.48/x - Step 3: Cross multiply
6,321,875.18x = 8,724,215.57 × 3,421,266.48 - Step 4: Simplify right side
6,321,875.18x = 29,847,866,276,828.76 - Step 5: Solve for x
x = 29,847,866,276,828.76/6,321,875.18 - Step 6: Final answer
x = 4,721,362.80
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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.