Finding the Fourth Proportional to 1,780,395.93, 2,456,946.68 and 964,605.24
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Solution
The fourth proportional to 1,780,395.93, 2,456,946.68 and 964,605.24 is: 1,331,155.39
Step by Step Solution
- Step 1: Write the proportion equation
1,780,395.93 : 2,456,946.68 = 964,605.24 : x - Step 2: Convert to fraction form
1,780,395.93/2,456,946.68 = 964,605.24/x - Step 3: Cross multiply
1,780,395.93x = 2,456,946.68 × 964,605.24 - Step 4: Simplify right side
1,780,395.93x = 2,369,983,637,105.58 - Step 5: Solve for x
x = 2,369,983,637,105.58/1,780,395.93 - Step 6: Final answer
x = 1,331,155.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.