Finding the Fourth Proportional to 1,798,355.68, 2,698,864.35 and 851,728.66
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Solution
The fourth proportional to 1,798,355.68, 2,698,864.35 and 851,728.66 is: 1,278,223.29
Step by Step Solution
- Step 1: Write the proportion equation
1,798,355.68 : 2,698,864.35 = 851,728.66 : x - Step 2: Convert to fraction form
1,798,355.68/2,698,864.35 = 851,728.66/x - Step 3: Cross multiply
1,798,355.68x = 2,698,864.35 × 851,728.66 - Step 4: Simplify right side
1,798,355.68x = 2,298,700,116,347.27 - Step 5: Solve for x
x = 2,298,700,116,347.27/1,798,355.68 - Step 6: Final answer
x = 1,278,223.29
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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.