Finding the Fourth Proportional to 6,413,875.12, 9,621,261.60 and 2,575,696.96
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Solution
The fourth proportional to 6,413,875.12, 9,621,261.60 and 2,575,696.96 is: 3,863,725.72
Step by Step Solution
- Step 1: Write the proportion equation
6,413,875.12 : 9,621,261.60 = 2,575,696.96 : x - Step 2: Convert to fraction form
6,413,875.12/9,621,261.60 = 2,575,696.96/x - Step 3: Cross multiply
6,413,875.12x = 9,621,261.60 × 2,575,696.96 - Step 4: Simplify right side
6,413,875.12x = 24,781,454,254,484.73 - Step 5: Solve for x
x = 24,781,454,254,484.73/6,413,875.12 - Step 6: Final answer
x = 3,863,725.72
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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.