Finding the Fourth Proportional to 1,676,928.20, 2,515,966.36 and 716,988.29
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Solution
The fourth proportional to 1,676,928.20, 2,515,966.36 and 716,988.29 is: 1,075,727.88
Step by Step Solution
- Step 1: Write the proportion equation
1,676,928.20 : 2,515,966.36 = 716,988.29 : x - Step 2: Convert to fraction form
1,676,928.20/2,515,966.36 = 716,988.29/x - Step 3: Cross multiply
1,676,928.20x = 2,515,966.36 × 716,988.29 - Step 4: Simplify right side
1,676,928.20x = 1,803,918,403,781.62 - Step 5: Solve for x
x = 1,803,918,403,781.62/1,676,928.20 - Step 6: Final answer
x = 1,075,727.88
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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.