Finding the Fourth Proportional to 7,487,269.60, 11,230,904.40 and 2,438,580.10
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Solution
The fourth proportional to 7,487,269.60, 11,230,904.40 and 2,438,580.10 is: 3,657,870.15
Step by Step Solution
- Step 1: Write the proportion equation
7,487,269.60 : 11,230,904.40 = 2,438,580.10 : x - Step 2: Convert to fraction form
7,487,269.60/11,230,904.40 = 2,438,580.10/x - Step 3: Cross multiply
7,487,269.60x = 11,230,904.40 × 2,438,580.10 - Step 4: Simplify right side
7,487,269.60x = 27,387,459,974,842.44 - Step 5: Solve for x
x = 27,387,459,974,842.44/7,487,269.60 - Step 6: Final answer
x = 3,657,870.15
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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.