Finding the Fourth Proportional to 2,357,398.17, 3,551,849.93 and 2,129,958.14
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Solution
The fourth proportional to 2,357,398.17, 3,551,849.93 and 2,129,958.14 is: 3,209,170.07
Step by Step Solution
- Step 1: Write the proportion equation
2,357,398.17 : 3,551,849.93 = 2,129,958.14 : x - Step 2: Convert to fraction form
2,357,398.17/3,551,849.93 = 2,129,958.14/x - Step 3: Cross multiply
2,357,398.17x = 3,551,849.93 × 2,129,958.14 - Step 4: Simplify right side
2,357,398.17x = 7,565,291,658,027.58 - Step 5: Solve for x
x = 7,565,291,658,027.58/2,357,398.17 - Step 6: Final answer
x = 3,209,170.07
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.