Finding the Fourth Proportional to 1,554,776.47, 2,145,497.27 and 857,026.77
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Solution
The fourth proportional to 1,554,776.47, 2,145,497.27 and 857,026.77 is: 1,182,644.99
Step by Step Solution
- Step 1: Write the proportion equation
1,554,776.47 : 2,145,497.27 = 857,026.77 : x - Step 2: Convert to fraction form
1,554,776.47/2,145,497.27 = 857,026.77/x - Step 3: Cross multiply
1,554,776.47x = 2,145,497.27 × 857,026.77 - Step 4: Simplify right side
1,554,776.47x = 1,838,748,602,858.23 - Step 5: Solve for x
x = 1,838,748,602,858.23/1,554,776.47 - Step 6: Final answer
x = 1,182,644.99
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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.