Finding the Fourth Proportional to 1,605,803, 2,409,637.62 and 719,339
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Solution
The fourth proportional to 1,605,803, 2,409,637.62 and 719,339 is: 1,079,426.50
Step by Step Solution
- Step 1: Write the proportion equation
1,605,803 : 2,409,637.62 = 719,339 : x - Step 2: Convert to fraction form
1,605,803/2,409,637.62 = 719,339/x - Step 3: Cross multiply
1,605,803x = 2,409,637.62 × 719,339 - Step 4: Simplify right side
1,605,803x = 1,733,346,315,933.18 - Step 5: Solve for x
x = 1,733,346,315,933.18/1,605,803 - Step 6: Final answer
x = 1,079,426.50
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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.