Finding the Fourth Proportional to 1,690,010.64, 2,535,014.88 and 679,132.80
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Solution
The fourth proportional to 1,690,010.64, 2,535,014.88 and 679,132.80 is: 1,018,698.77
Step by Step Solution
- Step 1: Write the proportion equation
1,690,010.64 : 2,535,014.88 = 679,132.80 : x - Step 2: Convert to fraction form
1,690,010.64/2,535,014.88 = 679,132.80/x - Step 3: Cross multiply
1,690,010.64x = 2,535,014.88 × 679,132.80 - Step 4: Simplify right side
1,690,010.64x = 1,721,611,753,496.06 - Step 5: Solve for x
x = 1,721,611,753,496.06/1,690,010.64 - Step 6: Final answer
x = 1,018,698.77
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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.