Finding the Fourth Proportional to 5,181,035.52, 7,772,204.32 and 2,781,582.08
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Solution
The fourth proportional to 5,181,035.52, 7,772,204.32 and 2,781,582.08 is: 4,172,722.65
Step by Step Solution
- Step 1: Write the proportion equation
5,181,035.52 : 7,772,204.32 = 2,781,582.08 : x - Step 2: Convert to fraction form
5,181,035.52/7,772,204.32 = 2,781,582.08/x - Step 3: Cross multiply
5,181,035.52x = 7,772,204.32 × 2,781,582.08 - Step 4: Simplify right side
5,181,035.52x = 21,619,024,258,610.59 - Step 5: Solve for x
x = 21,619,024,258,610.59/5,181,035.52 - Step 6: Final answer
x = 4,172,722.65
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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.