Finding the Fourth Proportional to 1,893,649.16, 2,613,252.50 and 1,077,905.31
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Solution
The fourth proportional to 1,893,649.16, 2,613,252.50 and 1,077,905.31 is: 1,487,518.81
Step by Step Solution
- Step 1: Write the proportion equation
1,893,649.16 : 2,613,252.50 = 1,077,905.31 : x - Step 2: Convert to fraction form
1,893,649.16/2,613,252.50 = 1,077,905.31/x - Step 3: Cross multiply
1,893,649.16x = 2,613,252.50 × 1,077,905.31 - Step 4: Simplify right side
1,893,649.16x = 2,816,838,740,731.25 - Step 5: Solve for x
x = 2,816,838,740,731.25/1,893,649.16 - Step 6: Final answer
x = 1,487,518.81
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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.