Finding the Fourth Proportional to 4,239,114.60, 6,349,340.70 and 2,970,071.40
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Solution
The fourth proportional to 4,239,114.60, 6,349,340.70 and 2,970,071.40 is: 4,448,569.34
Step by Step Solution
- Step 1: Write the proportion equation
4,239,114.60 : 6,349,340.70 = 2,970,071.40 : x - Step 2: Convert to fraction form
4,239,114.60/6,349,340.70 = 2,970,071.40/x - Step 3: Cross multiply
4,239,114.60x = 6,349,340.70 × 2,970,071.40 - Step 4: Simplify right side
4,239,114.60x = 18,857,995,221,925.98 - Step 5: Solve for x
x = 18,857,995,221,925.98/4,239,114.60 - Step 6: Final answer
x = 4,448,569.34
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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.