Finding the Fourth Proportional to 1,791,672.74, 2,473,048.68 and 1,219,045.06
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Solution
The fourth proportional to 1,791,672.74, 2,473,048.68 and 1,219,045.06 is: 1,682,649.80
Step by Step Solution
- Step 1: Write the proportion equation
1,791,672.74 : 2,473,048.68 = 1,219,045.06 : x - Step 2: Convert to fraction form
1,791,672.74/2,473,048.68 = 1,219,045.06/x - Step 3: Cross multiply
1,791,672.74x = 2,473,048.68 × 1,219,045.06 - Step 4: Simplify right side
1,791,672.74x = 3,014,757,781,870.54 - Step 5: Solve for x
x = 3,014,757,781,870.54/1,791,672.74 - Step 6: Final answer
x = 1,682,649.80
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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.