Finding the Fourth Proportional to 5,553,779.58, 7,664,925.61 and 3,106,526.58
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Solution
The fourth proportional to 5,553,779.58, 7,664,925.61 and 3,106,526.58 is: 4,287,403.70
Step by Step Solution
- Step 1: Write the proportion equation
5,553,779.58 : 7,664,925.61 = 3,106,526.58 : x - Step 2: Convert to fraction form
5,553,779.58/7,664,925.61 = 3,106,526.58/x - Step 3: Cross multiply
5,553,779.58x = 7,664,925.61 × 3,106,526.58 - Step 4: Simplify right side
5,553,779.58x = 23,811,295,145,070.87 - Step 5: Solve for x
x = 23,811,295,145,070.87/5,553,779.58 - Step 6: Final answer
x = 4,287,403.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.