Finding the Fourth Proportional to 1,945,804.18, 2,685,006.08 and 1,129,848.80
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Solution
The fourth proportional to 1,945,804.18, 2,685,006.08 and 1,129,848.80 is: 1,559,073.07
Step by Step Solution
- Step 1: Write the proportion equation
1,945,804.18 : 2,685,006.08 = 1,129,848.80 : x - Step 2: Convert to fraction form
1,945,804.18/2,685,006.08 = 1,129,848.80/x - Step 3: Cross multiply
1,945,804.18x = 2,685,006.08 × 1,129,848.80 - Step 4: Simplify right side
1,945,804.18x = 3,033,650,897,480.70 - Step 5: Solve for x
x = 3,033,650,897,480.70/1,945,804.18 - Step 6: Final answer
x = 1,559,073.07
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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.