Finding the Fourth Proportional to 1,810,525.23, 2,497,485.51 and 1,130,280.75
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Solution
The fourth proportional to 1,810,525.23, 2,497,485.51 and 1,130,280.75 is: 1,559,138.61
Step by Step Solution
- Step 1: Write the proportion equation
1,810,525.23 : 2,497,485.51 = 1,130,280.75 : x - Step 2: Convert to fraction form
1,810,525.23/2,497,485.51 = 1,130,280.75/x - Step 3: Cross multiply
1,810,525.23x = 2,497,485.51 × 1,130,280.75 - Step 4: Simplify right side
1,810,525.23x = 2,822,859,795,356.93 - Step 5: Solve for x
x = 2,822,859,795,356.93/1,810,525.23 - Step 6: Final answer
x = 1,559,138.61
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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.