Finding the Fourth Proportional to 5,756,356.98, 8,634,415.68 and 1,918,457.46
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Solution
The fourth proportional to 5,756,356.98, 8,634,415.68 and 1,918,457.46 is: 2,877,646.27
Step by Step Solution
- Step 1: Write the proportion equation
5,756,356.98 : 8,634,415.68 = 1,918,457.46 : x - Step 2: Convert to fraction form
5,756,356.98/8,634,415.68 = 1,918,457.46/x - Step 3: Cross multiply
5,756,356.98x = 8,634,415.68 × 1,918,457.46 - Step 4: Simplify right side
5,756,356.98x = 16,564,759,174,036.97 - Step 5: Solve for x
x = 16,564,759,174,036.97/5,756,356.98 - Step 6: Final answer
x = 2,877,646.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.