Finding the Fourth Proportional to 1,695,562.64, 2,339,902.99 and 921,208.82
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Solution
The fourth proportional to 1,695,562.64, 2,339,902.99 and 921,208.82 is: 1,271,282.59
Step by Step Solution
- Step 1: Write the proportion equation
1,695,562.64 : 2,339,902.99 = 921,208.82 : x - Step 2: Convert to fraction form
1,695,562.64/2,339,902.99 = 921,208.82/x - Step 3: Cross multiply
1,695,562.64x = 2,339,902.99 × 921,208.82 - Step 4: Simplify right side
1,695,562.64x = 2,155,539,272,332.37 - Step 5: Solve for x
x = 2,155,539,272,332.37/1,695,562.64 - Step 6: Final answer
x = 1,271,282.59
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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.