Home / 1,947,529.89-2,688,341.31-1,743,220.35

Finding the Fourth Proportional to 1,947,529.89, 2,688,341.31 and 1,743,220.35

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Solution

The fourth proportional to 1,947,529.89, 2,688,341.31 and 1,743,220.35 is: 2,406,315.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,529.89 : 2,688,341.31 = 1,743,220.35 : x
  2. Step 2: Convert to fraction form
    1,947,529.89/2,688,341.31 = 1,743,220.35/x
  3. Step 3: Cross multiply
    1,947,529.89x = 2,688,341.31 × 1,743,220.35
  4. Step 4: Simplify right side
    1,947,529.89x = 4,686,371,279,337.66
  5. Step 5: Solve for x
    x = 4,686,371,279,337.66/1,947,529.89
  6. Step 6: Final answer
    x = 2,406,315.46

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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.