Finding the Fourth Proportional to 6,402,641.99, 9,603,979.40 and 2,616,124.86
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Solution
The fourth proportional to 6,402,641.99, 9,603,979.40 and 2,616,124.86 is: 3,924,194.00
Step by Step Solution
- Step 1: Write the proportion equation
6,402,641.99 : 9,603,979.40 = 2,616,124.86 : x - Step 2: Convert to fraction form
6,402,641.99/9,603,979.40 = 2,616,124.86/x - Step 3: Cross multiply
6,402,641.99x = 9,603,979.40 × 2,616,124.86 - Step 4: Simplify right side
6,402,641.99x = 25,125,209,250,187.26 - Step 5: Solve for x
x = 25,125,209,250,187.26/6,402,641.99 - Step 6: Final answer
x = 3,924,194.00
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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.