Finding the Fourth Proportional to 1,398,204.68, 2,095,978.34 and 891,343.02
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Solution
The fourth proportional to 1,398,204.68, 2,095,978.34 and 891,343.02 is: 1,336,167.51
Step by Step Solution
- Step 1: Write the proportion equation
1,398,204.68 : 2,095,978.34 = 891,343.02 : x - Step 2: Convert to fraction form
1,398,204.68/2,095,978.34 = 891,343.02/x - Step 3: Cross multiply
1,398,204.68x = 2,095,978.34 × 891,343.02 - Step 4: Simplify right side
1,398,204.68x = 1,868,235,663,430.19 - Step 5: Solve for x
x = 1,868,235,663,430.19/1,398,204.68 - Step 6: Final answer
x = 1,336,167.51
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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.