Finding the Fourth Proportional to 6,477,663.21, 9,709,992.14 and 2,214,916.17
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Solution
The fourth proportional to 6,477,663.21, 9,709,992.14 and 2,214,916.17 is: 3,320,150.78
Step by Step Solution
- Step 1: Write the proportion equation
6,477,663.21 : 9,709,992.14 = 2,214,916.17 : x - Step 2: Convert to fraction form
6,477,663.21/9,709,992.14 = 2,214,916.17/x - Step 3: Cross multiply
6,477,663.21x = 9,709,992.14 × 2,214,916.17 - Step 4: Simplify right side
6,477,663.21x = 21,506,818,590,384.32 - Step 5: Solve for x
x = 21,506,818,590,384.32/6,477,663.21 - Step 6: Final answer
x = 3,320,150.78
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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.