Finding the Fourth Proportional to 8,860,904.48, 13,291,355.30 and 2,129,318.48
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Solution
The fourth proportional to 8,860,904.48, 13,291,355.30 and 2,129,318.48 is: 3,193,977.37
Step by Step Solution
- Step 1: Write the proportion equation
8,860,904.48 : 13,291,355.30 = 2,129,318.48 : x - Step 2: Convert to fraction form
8,860,904.48/13,291,355.30 = 2,129,318.48/x - Step 3: Cross multiply
8,860,904.48x = 13,291,355.30 × 2,129,318.48 - Step 4: Simplify right side
8,860,904.48x = 28,301,528,387,432.58 - Step 5: Solve for x
x = 28,301,528,387,432.58/8,860,904.48 - Step 6: Final answer
x = 3,193,977.37
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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.