Finding the Fourth Proportional to 4,974,405.60, 7,460,587.80 and 1,379,269.20
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Solution
The fourth proportional to 4,974,405.60, 7,460,587.80 and 1,379,269.20 is: 2,068,620.82
Step by Step Solution
- Step 1: Write the proportion equation
4,974,405.60 : 7,460,587.80 = 1,379,269.20 : x - Step 2: Convert to fraction form
4,974,405.60/7,460,587.80 = 1,379,269.20/x - Step 3: Cross multiply
4,974,405.60x = 7,460,587.80 × 1,379,269.20 - Step 4: Simplify right side
4,974,405.60x = 10,290,158,966,435.76 - Step 5: Solve for x
x = 10,290,158,966,435.76/4,974,405.60 - Step 6: Final answer
x = 2,068,620.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.