Finding the Fourth Proportional to 6,699,538.64, 9,242,398.32 and 4,119,695.12
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Solution
The fourth proportional to 6,699,538.64, 9,242,398.32 and 4,119,695.12 is: 5,683,356.02
Step by Step Solution
- Step 1: Write the proportion equation
6,699,538.64 : 9,242,398.32 = 4,119,695.12 : x - Step 2: Convert to fraction form
6,699,538.64/9,242,398.32 = 4,119,695.12/x - Step 3: Cross multiply
6,699,538.64x = 9,242,398.32 × 4,119,695.12 - Step 4: Simplify right side
6,699,538.64x = 38,075,863,209,788.21 - Step 5: Solve for x
x = 38,075,863,209,788.21/6,699,538.64 - Step 6: Final answer
x = 5,683,356.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.