Finding the Fourth Proportional to 1,606,426.84, 2,216,848.06 and 918,090.84
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Solution
The fourth proportional to 1,606,426.84, 2,216,848.06 and 918,090.84 is: 1,266,953.37
Step by Step Solution
- Step 1: Write the proportion equation
1,606,426.84 : 2,216,848.06 = 918,090.84 : x - Step 2: Convert to fraction form
1,606,426.84/2,216,848.06 = 918,090.84/x - Step 3: Cross multiply
1,606,426.84x = 2,216,848.06 × 918,090.84 - Step 4: Simplify right side
1,606,426.84x = 2,035,267,897,557.77 - Step 5: Solve for x
x = 2,035,267,897,557.77/1,606,426.84 - Step 6: Final answer
x = 1,266,953.37
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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.