Finding the Fourth Proportional to 1,678,972.08, 2,316,989.28 and 953,859.58
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Solution
The fourth proportional to 1,678,972.08, 2,316,989.28 and 953,859.58 is: 1,316,330.66
Step by Step Solution
- Step 1: Write the proportion equation
1,678,972.08 : 2,316,989.28 = 953,859.58 : x - Step 2: Convert to fraction form
1,678,972.08/2,316,989.28 = 953,859.58/x - Step 3: Cross multiply
1,678,972.08x = 2,316,989.28 × 953,859.58 - Step 4: Simplify right side
1,678,972.08x = 2,210,082,424,893.13 - Step 5: Solve for x
x = 2,210,082,424,893.13/1,678,972.08 - Step 6: Final answer
x = 1,316,330.66
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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.