Finding the Fourth Proportional to 1,926,726.97, 2,878,371.82 and 1,247,273.05
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Solution
The fourth proportional to 1,926,726.97, 2,878,371.82 and 1,247,273.05 is: 1,863,323.47
Step by Step Solution
- Step 1: Write the proportion equation
1,926,726.97 : 2,878,371.82 = 1,247,273.05 : x - Step 2: Convert to fraction form
1,926,726.97/2,878,371.82 = 1,247,273.05/x - Step 3: Cross multiply
1,926,726.97x = 2,878,371.82 × 1,247,273.05 - Step 4: Simplify right side
1,926,726.97x = 3,590,115,579,896.32 - Step 5: Solve for x
x = 3,590,115,579,896.32/1,926,726.97 - Step 6: Final answer
x = 1,863,323.47
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.