Finding the Fourth Proportional to 5,756,281.39, 8,634,303.51 and 1,918,382.53
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Solution
The fourth proportional to 5,756,281.39, 8,634,303.51 and 1,918,382.53 is: 2,877,534.28
Step by Step Solution
- Step 1: Write the proportion equation
5,756,281.39 : 8,634,303.51 = 1,918,382.53 : x - Step 2: Convert to fraction form
5,756,281.39/8,634,303.51 = 1,918,382.53/x - Step 3: Cross multiply
5,756,281.39x = 8,634,303.51 × 1,918,382.53 - Step 4: Simplify right side
5,756,281.39x = 16,563,897,012,301.68 - Step 5: Solve for x
x = 16,563,897,012,301.68/5,756,281.39 - Step 6: Final answer
x = 2,877,534.28
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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.