Finding the Fourth Proportional to 4,779,201.71, 7,165,661.18 and 2,316,565.59
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Solution
The fourth proportional to 4,779,201.71, 7,165,661.18 and 2,316,565.59 is: 3,473,325.70
Step by Step Solution
- Step 1: Write the proportion equation
4,779,201.71 : 7,165,661.18 = 2,316,565.59 : x - Step 2: Convert to fraction form
4,779,201.71/7,165,661.18 = 2,316,565.59/x - Step 3: Cross multiply
4,779,201.71x = 7,165,661.18 × 2,316,565.59 - Step 4: Simplify right side
4,779,201.71x = 16,599,724,107,603.97 - Step 5: Solve for x
x = 16,599,724,107,603.97/4,779,201.71 - Step 6: Final answer
x = 3,473,325.70
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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.