Finding the Fourth Proportional to 1,772,405.12, 2,439,761.64 and 1,545,656.96
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Solution
The fourth proportional to 1,772,405.12, 2,439,761.64 and 1,545,656.96 is: 2,127,636.91
Step by Step Solution
- Step 1: Write the proportion equation
1,772,405.12 : 2,439,761.64 = 1,545,656.96 : x - Step 2: Convert to fraction form
1,772,405.12/2,439,761.64 = 1,545,656.96/x - Step 3: Cross multiply
1,772,405.12x = 2,439,761.64 × 1,545,656.96 - Step 4: Simplify right side
1,772,405.12x = 3,771,034,559,607.01 - Step 5: Solve for x
x = 3,771,034,559,607.01/1,772,405.12 - Step 6: Final answer
x = 2,127,636.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.