Finding the Fourth Proportional to 7,853,807.70, 11,779,399.35 and 2,174,606.10
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Solution
The fourth proportional to 7,853,807.70, 11,779,399.35 and 2,174,606.10 is: 3,261,545.82
Step by Step Solution
- Step 1: Write the proportion equation
7,853,807.70 : 11,779,399.35 = 2,174,606.10 : x - Step 2: Convert to fraction form
7,853,807.70/11,779,399.35 = 2,174,606.10/x - Step 3: Cross multiply
7,853,807.70x = 11,779,399.35 × 2,174,606.10 - Step 4: Simplify right side
7,853,807.70x = 25,615,553,680,846.04 - Step 5: Solve for x
x = 25,615,553,680,846.04/7,853,807.70 - Step 6: Final answer
x = 3,261,545.82
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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.