Finding the Fourth Proportional to 4,487,726.40, 6,731,416.80 and 1,495,910.40
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Solution
The fourth proportional to 4,487,726.40, 6,731,416.80 and 1,495,910.40 is: 2,243,808.00
Step by Step Solution
- Step 1: Write the proportion equation
4,487,726.40 : 6,731,416.80 = 1,495,910.40 : x - Step 2: Convert to fraction form
4,487,726.40/6,731,416.80 = 1,495,910.40/x - Step 3: Cross multiply
4,487,726.40x = 6,731,416.80 × 1,495,910.40 - Step 4: Simplify right side
4,487,726.40x = 10,069,596,397,854.72 - Step 5: Solve for x
x = 10,069,596,397,854.72/4,487,726.40 - Step 6: Final answer
x = 2,243,808.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.