Finding the Fourth Proportional to 2,854,117.98, 3,938,652.81 and 1,564,955.46
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Solution
The fourth proportional to 2,854,117.98, 3,938,652.81 and 1,564,955.46 is: 2,159,622.08
Step by Step Solution
- Step 1: Write the proportion equation
2,854,117.98 : 3,938,652.81 = 1,564,955.46 : x - Step 2: Convert to fraction form
2,854,117.98/3,938,652.81 = 1,564,955.46/x - Step 3: Cross multiply
2,854,117.98x = 3,938,652.81 × 1,564,955.46 - Step 4: Simplify right side
2,854,117.98x = 6,163,816,220,053.84 - Step 5: Solve for x
x = 6,163,816,220,053.84/2,854,117.98 - Step 6: Final answer
x = 2,159,622.08
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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.