Finding the Fourth Proportional to 1,699,374.12, 2,343,941.70 and 1,118,412.12
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Solution
The fourth proportional to 1,699,374.12, 2,343,941.70 and 1,118,412.12 is: 1,542,622.53
Step by Step Solution
- Step 1: Write the proportion equation
1,699,374.12 : 2,343,941.70 = 1,118,412.12 : x - Step 2: Convert to fraction form
1,699,374.12/2,343,941.70 = 1,118,412.12/x - Step 3: Cross multiply
1,699,374.12x = 2,343,941.70 × 1,118,412.12 - Step 4: Simplify right side
1,699,374.12x = 2,621,492,805,853.40 - Step 5: Solve for x
x = 2,621,492,805,853.40/1,699,374.12 - Step 6: Final answer
x = 1,542,622.53
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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.