Finding the Fourth Proportional to 1,681,461.56, 2,320,395.18 and 917,501.96
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Solution
The fourth proportional to 1,681,461.56, 2,320,395.18 and 917,501.96 is: 1,266,140.82
Step by Step Solution
- Step 1: Write the proportion equation
1,681,461.56 : 2,320,395.18 = 917,501.96 : x - Step 2: Convert to fraction form
1,681,461.56/2,320,395.18 = 917,501.96/x - Step 3: Cross multiply
1,681,461.56x = 2,320,395.18 × 917,501.96 - Step 4: Simplify right side
1,681,461.56x = 2,128,967,125,624.55 - Step 5: Solve for x
x = 2,128,967,125,624.55/1,681,461.56 - Step 6: Final answer
x = 1,266,140.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.