Finding the Fourth Proportional to 1,564,067.70, 2,346,101.55 and 1,259,637.30
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Solution
The fourth proportional to 1,564,067.70, 2,346,101.55 and 1,259,637.30 is: 1,889,455.95
Step by Step Solution
- Step 1: Write the proportion equation
1,564,067.70 : 2,346,101.55 = 1,259,637.30 : x - Step 2: Convert to fraction form
1,564,067.70/2,346,101.55 = 1,259,637.30/x - Step 3: Cross multiply
1,564,067.70x = 2,346,101.55 × 1,259,637.30 - Step 4: Simplify right side
1,564,067.70x = 2,955,237,021,967.82 - Step 5: Solve for x
x = 2,955,237,021,967.82/1,564,067.70 - Step 6: Final answer
x = 1,889,455.95
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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.