Finding the Fourth Proportional to 6,421,575.20, 9,633,970.24 and 1,872,624.52
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Solution
The fourth proportional to 6,421,575.20, 9,633,970.24 and 1,872,624.52 is: 2,809,405.53
Step by Step Solution
- Step 1: Write the proportion equation
6,421,575.20 : 9,633,970.24 = 1,872,624.52 : x - Step 2: Convert to fraction form
6,421,575.20/9,633,970.24 = 1,872,624.52/x - Step 3: Cross multiply
6,421,575.20x = 9,633,970.24 × 1,872,624.52 - Step 4: Simplify right side
6,421,575.20x = 18,040,808,896,374.29 - Step 5: Solve for x
x = 18,040,808,896,374.29/6,421,575.20 - Step 6: Final answer
x = 2,809,405.53
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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.