Finding the Fourth Proportional to 5,129,581.16, 7,696,490.40 and 2,249,457.08
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Solution
The fourth proportional to 5,129,581.16, 7,696,490.40 and 2,249,457.08 is: 3,375,114.70
Step by Step Solution
- Step 1: Write the proportion equation
5,129,581.16 : 7,696,490.40 = 2,249,457.08 : x - Step 2: Convert to fraction form
5,129,581.16/7,696,490.40 = 2,249,457.08/x - Step 3: Cross multiply
5,129,581.16x = 7,696,490.40 × 2,249,457.08 - Step 4: Simplify right side
5,129,581.16x = 17,312,924,782,949.58 - Step 5: Solve for x
x = 17,312,924,782,949.58/5,129,581.16 - Step 6: Final answer
x = 3,375,114.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.