Finding the Fourth Proportional to 4,165,813.60, 6,249,206.40 and 1,326,212.80
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Solution
The fourth proportional to 4,165,813.60, 6,249,206.40 and 1,326,212.80 is: 1,989,473.92
Step by Step Solution
- Step 1: Write the proportion equation
4,165,813.60 : 6,249,206.40 = 1,326,212.80 : x - Step 2: Convert to fraction form
4,165,813.60/6,249,206.40 = 1,326,212.80/x - Step 3: Cross multiply
4,165,813.60x = 6,249,206.40 × 1,326,212.80 - Step 4: Simplify right side
4,165,813.60x = 8,287,777,517,521.92 - Step 5: Solve for x
x = 8,287,777,517,521.92/4,165,813.60 - Step 6: Final answer
x = 1,989,473.92
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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.