Finding the Fourth Proportional to 5,417,271.10, 8,128,569.32 and 2,178,679.48
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Solution
The fourth proportional to 5,417,271.10, 8,128,569.32 and 2,178,679.48 is: 3,269,090.07
Step by Step Solution
- Step 1: Write the proportion equation
5,417,271.10 : 8,128,569.32 = 2,178,679.48 : x - Step 2: Convert to fraction form
5,417,271.10/8,128,569.32 = 2,178,679.48/x - Step 3: Cross multiply
5,417,271.10x = 8,128,569.32 × 2,178,679.48 - Step 4: Simplify right side
5,417,271.10x = 17,709,547,179,241.55 - Step 5: Solve for x
x = 17,709,547,179,241.55/5,417,271.10 - Step 6: Final answer
x = 3,269,090.07
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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.