Finding the Fourth Proportional to 1,642,155.50, 2,266,130.58 and 916,983.02
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Solution
The fourth proportional to 1,642,155.50, 2,266,130.58 and 916,983.02 is: 1,265,411.99
Step by Step Solution
- Step 1: Write the proportion equation
1,642,155.50 : 2,266,130.58 = 916,983.02 : x - Step 2: Convert to fraction form
1,642,155.50/2,266,130.58 = 916,983.02/x - Step 3: Cross multiply
1,642,155.50x = 2,266,130.58 × 916,983.02 - Step 4: Simplify right side
1,642,155.50x = 2,078,003,262,962.75 - Step 5: Solve for x
x = 2,078,003,262,962.75/1,642,155.50 - Step 6: Final answer
x = 1,265,411.99
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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.