Finding the Fourth Proportional to 4,272,011.19, 6,407,019.99 and 1,238,562.93
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Solution
The fourth proportional to 4,272,011.19, 6,407,019.99 and 1,238,562.93 is: 1,857,555.40
Step by Step Solution
- Step 1: Write the proportion equation
4,272,011.19 : 6,407,019.99 = 1,238,562.93 : x - Step 2: Convert to fraction form
4,272,011.19/6,407,019.99 = 1,238,562.93/x - Step 3: Cross multiply
4,272,011.19x = 6,407,019.99 × 1,238,562.93 - Step 4: Simplify right side
4,272,011.19x = 7,935,497,451,382.97 - Step 5: Solve for x
x = 7,935,497,451,382.97/4,272,011.19 - Step 6: Final answer
x = 1,857,555.40
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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.