Finding the Fourth Proportional to 4,779,200.21, 7,165,658.93 and 2,316,564.09
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Solution
The fourth proportional to 4,779,200.21, 7,165,658.93 and 2,316,564.09 is: 3,473,323.45
Step by Step Solution
- Step 1: Write the proportion equation
4,779,200.21 : 7,165,658.93 = 2,316,564.09 : x - Step 2: Convert to fraction form
4,779,200.21/7,165,658.93 = 2,316,564.09/x - Step 3: Cross multiply
4,779,200.21x = 7,165,658.93 × 2,316,564.09 - Step 4: Simplify right side
4,779,200.21x = 16,599,708,146,843.00 - Step 5: Solve for x
x = 16,599,708,146,843.00/4,779,200.21 - Step 6: Final answer
x = 3,473,323.45
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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.