Finding the Fourth Proportional to 2,567,277.77, 3,542,973.95 and 1,421,484.17
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Solution
The fourth proportional to 2,567,277.77, 3,542,973.95 and 1,421,484.17 is: 1,961,720.48
Step by Step Solution
- Step 1: Write the proportion equation
2,567,277.77 : 3,542,973.95 = 1,421,484.17 : x - Step 2: Convert to fraction form
2,567,277.77/3,542,973.95 = 1,421,484.17/x - Step 3: Cross multiply
2,567,277.77x = 3,542,973.95 × 1,421,484.17 - Step 4: Simplify right side
2,567,277.77x = 5,036,281,370,486.21 - Step 5: Solve for x
x = 5,036,281,370,486.21/2,567,277.77 - Step 6: Final answer
x = 1,961,720.48
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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.