Finding the Fourth Proportional to 4,931,866.84, 6,779,840.57 and 4,241,008.12
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Solution
The fourth proportional to 4,931,866.84, 6,779,840.57 and 4,241,008.12 is: 5,830,116.64
Step by Step Solution
- Step 1: Write the proportion equation
4,931,866.84 : 6,779,840.57 = 4,241,008.12 : x - Step 2: Convert to fraction form
4,931,866.84/6,779,840.57 = 4,241,008.12/x - Step 3: Cross multiply
4,931,866.84x = 6,779,840.57 × 4,241,008.12 - Step 4: Simplify right side
4,931,866.84x = 28,753,358,909,675.43 - Step 5: Solve for x
x = 28,753,358,909,675.43/4,931,866.84 - Step 6: Final answer
x = 5,830,116.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.