Finding the Fourth Proportional to 1,596,145.26, 2,202,671.59 and 870,990.78
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Solution
The fourth proportional to 1,596,145.26, 2,202,671.59 and 870,990.78 is: 1,201,962.44
Step by Step Solution
- Step 1: Write the proportion equation
1,596,145.26 : 2,202,671.59 = 870,990.78 : x - Step 2: Convert to fraction form
1,596,145.26/2,202,671.59 = 870,990.78/x - Step 3: Cross multiply
1,596,145.26x = 2,202,671.59 × 870,990.78 - Step 4: Simplify right side
1,596,145.26x = 1,918,506,646,257.94 - Step 5: Solve for x
x = 1,918,506,646,257.94/1,596,145.26 - Step 6: Final answer
x = 1,201,962.44
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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.