Finding the Fourth Proportional to 1,528,130.90, 2,292,272.52 and 581,574.98
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Solution
The fourth proportional to 1,528,130.90, 2,292,272.52 and 581,574.98 is: 872,391.46
Step by Step Solution
- Step 1: Write the proportion equation
1,528,130.90 : 2,292,272.52 = 581,574.98 : x - Step 2: Convert to fraction form
1,528,130.90/2,292,272.52 = 581,574.98/x - Step 3: Cross multiply
1,528,130.90x = 2,292,272.52 × 581,574.98 - Step 4: Simplify right side
1,528,130.90x = 1,333,128,344,973.55 - Step 5: Solve for x
x = 1,333,128,344,973.55/1,528,130.90 - Step 6: Final answer
x = 872,391.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.