Finding the Fourth Proportional to 2,560,564.32, 3,533,537.53 and 1,398,985.63
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Solution
The fourth proportional to 2,560,564.32, 3,533,537.53 and 1,398,985.63 is: 1,930,577.64
Step by Step Solution
- Step 1: Write the proportion equation
2,560,564.32 : 3,533,537.53 = 1,398,985.63 : x - Step 2: Convert to fraction form
2,560,564.32/3,533,537.53 = 1,398,985.63/x - Step 3: Cross multiply
2,560,564.32x = 3,533,537.53 × 1,398,985.63 - Step 4: Simplify right side
2,560,564.32x = 4,943,368,221,018.56 - Step 5: Solve for x
x = 4,943,368,221,018.56/2,560,564.32 - Step 6: Final answer
x = 1,930,577.64
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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.