Finding the Fourth Proportional to 1,862,392.02, 2,570,090.49 and 1,137,139.08
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Solution
The fourth proportional to 1,862,392.02, 2,570,090.49 and 1,137,139.08 is: 1,569,245.52
Step by Step Solution
- Step 1: Write the proportion equation
1,862,392.02 : 2,570,090.49 = 1,137,139.08 : x - Step 2: Convert to fraction form
1,862,392.02/2,570,090.49 = 1,137,139.08/x - Step 3: Cross multiply
1,862,392.02x = 2,570,090.49 × 1,137,139.08 - Step 4: Simplify right side
1,862,392.02x = 2,922,550,335,315.35 - Step 5: Solve for x
x = 2,922,550,335,315.35/1,862,392.02 - Step 6: Final answer
x = 1,569,245.52
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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.