Finding the Fourth Proportional to 8,860,925.79, 13,291,387.20 and 2,129,339.79
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Solution
The fourth proportional to 8,860,925.79, 13,291,387.20 and 2,129,339.79 is: 3,194,009.33
Step by Step Solution
- Step 1: Write the proportion equation
8,860,925.79 : 13,291,387.20 = 2,129,339.79 : x - Step 2: Convert to fraction form
8,860,925.79/13,291,387.20 = 2,129,339.79/x - Step 3: Cross multiply
8,860,925.79x = 13,291,387.20 × 2,129,339.79 - Step 4: Simplify right side
8,860,925.79x = 28,301,879,629,256.69 - Step 5: Solve for x
x = 28,301,879,629,256.69/8,860,925.79 - Step 6: Final answer
x = 3,194,009.33
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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.