Finding the Fourth Proportional to 1,544,482.93, 2,130,122.70 and 1,087,111.57
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Solution
The fourth proportional to 1,544,482.93, 2,130,122.70 and 1,087,111.57 is: 1,499,324.46
Step by Step Solution
- Step 1: Write the proportion equation
1,544,482.93 : 2,130,122.70 = 1,087,111.57 : x - Step 2: Convert to fraction form
1,544,482.93/2,130,122.70 = 1,087,111.57/x - Step 3: Cross multiply
1,544,482.93x = 2,130,122.70 × 1,087,111.57 - Step 4: Simplify right side
1,544,482.93x = 2,315,681,032,689.64 - Step 5: Solve for x
x = 2,315,681,032,689.64/1,544,482.93 - Step 6: Final answer
x = 1,499,324.46
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1.5x scale
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.