Finding the Fourth Proportional to 5,439,862.72, 7,506,969.06 and 2,992,421.08
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Solution
The fourth proportional to 5,439,862.72, 7,506,969.06 and 2,992,421.08 is: 4,129,518.27
Step by Step Solution
- Step 1: Write the proportion equation
5,439,862.72 : 7,506,969.06 = 2,992,421.08 : x - Step 2: Convert to fraction form
5,439,862.72/7,506,969.06 = 2,992,421.08/x - Step 3: Cross multiply
5,439,862.72x = 7,506,969.06 × 2,992,421.08 - Step 4: Simplify right side
5,439,862.72x = 22,464,012,462,051.79 - Step 5: Solve for x
x = 22,464,012,462,051.79/5,439,862.72 - Step 6: Final answer
x = 4,129,518.27
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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.