Finding the Fourth Proportional to 1,418,673.24, 2,128,973.76 and 577,378.08
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Solution
The fourth proportional to 1,418,673.24, 2,128,973.76 and 577,378.08 is: 866,459.41
Step by Step Solution
- Step 1: Write the proportion equation
1,418,673.24 : 2,128,973.76 = 577,378.08 : x - Step 2: Convert to fraction form
1,418,673.24/2,128,973.76 = 577,378.08/x - Step 3: Cross multiply
1,418,673.24x = 2,128,973.76 × 577,378.08 - Step 4: Simplify right side
1,418,673.24x = 1,229,222,781,919.18 - Step 5: Solve for x
x = 1,229,222,781,919.18/1,418,673.24 - Step 6: Final answer
x = 866,459.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.