Finding the Fourth Proportional to 6,402,637.99, 9,603,973.39 and 2,616,120.86
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Solution
The fourth proportional to 6,402,637.99, 9,603,973.39 and 2,616,120.86 is: 3,924,187.99
Step by Step Solution
- Step 1: Write the proportion equation
6,402,637.99 : 9,603,973.39 = 2,616,120.86 : x - Step 2: Convert to fraction form
6,402,637.99/9,603,973.39 = 2,616,120.86/x - Step 3: Cross multiply
6,402,637.99x = 9,603,973.39 × 2,616,120.86 - Step 4: Simplify right side
6,402,637.99x = 25,125,155,124,463.91 - Step 5: Solve for x
x = 25,125,155,124,463.91/6,402,637.99 - Step 6: Final answer
x = 3,924,187.99
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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.