Finding the Fourth Proportional to 2,478,597.42, 3,418,536.08 and 1,792,841.70
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Solution
The fourth proportional to 2,478,597.42, 3,418,536.08 and 1,792,841.70 is: 2,472,726.71
Step by Step Solution
- Step 1: Write the proportion equation
2,478,597.42 : 3,418,536.08 = 1,792,841.70 : x - Step 2: Convert to fraction form
2,478,597.42/3,418,536.08 = 1,792,841.70/x - Step 3: Cross multiply
2,478,597.42x = 3,418,536.08 × 1,792,841.70 - Step 4: Simplify right side
2,478,597.42x = 6,128,894,037,178.54 - Step 5: Solve for x
x = 6,128,894,037,178.54/2,478,597.42 - Step 6: Final answer
x = 2,472,726.71
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1.5x scale
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.