Home / 1,543,188.81-2,130,159.56-1,256,210.67

Finding the Fourth Proportional to 1,543,188.81, 2,130,159.56 and 1,256,210.67

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Solution

The fourth proportional to 1,543,188.81, 2,130,159.56 and 1,256,210.67 is: 1,734,025.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,188.81 : 2,130,159.56 = 1,256,210.67 : x
  2. Step 2: Convert to fraction form
    1,543,188.81/2,130,159.56 = 1,256,210.67/x
  3. Step 3: Cross multiply
    1,543,188.81x = 2,130,159.56 × 1,256,210.67
  4. Step 4: Simplify right side
    1,543,188.81x = 2,675,929,161,793.45
  5. Step 5: Solve for x
    x = 2,675,929,161,793.45/1,543,188.81
  6. Step 6: Final answer
    x = 1,734,025.77

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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.