Finding the Fourth Proportional to 1,947,712.05, 2,917,139.40 and 1,230,266.70
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Solution
The fourth proportional to 1,947,712.05, 2,917,139.40 and 1,230,266.70 is: 1,842,602.69
Step by Step Solution
- Step 1: Write the proportion equation
1,947,712.05 : 2,917,139.40 = 1,230,266.70 : x - Step 2: Convert to fraction form
1,947,712.05/2,917,139.40 = 1,230,266.70/x - Step 3: Cross multiply
1,947,712.05x = 2,917,139.40 × 1,230,266.70 - Step 4: Simplify right side
1,947,712.05x = 3,588,859,463,077.98 - Step 5: Solve for x
x = 3,588,859,463,077.98/1,947,712.05 - Step 6: Final answer
x = 1,842,602.69
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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.