Home / 2,141,409.20-2,955,148.92-1,174,547.36

Finding the Fourth Proportional to 2,141,409.20, 2,955,148.92 and 1,174,547.36

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Solution

The fourth proportional to 2,141,409.20, 2,955,148.92 and 1,174,547.36 is: 1,620,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,409.20 : 2,955,148.92 = 1,174,547.36 : x
  2. Step 2: Convert to fraction form
    2,141,409.20/2,955,148.92 = 1,174,547.36/x
  3. Step 3: Cross multiply
    2,141,409.20x = 2,955,148.92 × 1,174,547.36
  4. Step 4: Simplify right side
    2,141,409.20x = 3,470,962,362,392.85
  5. Step 5: Solve for x
    x = 3,470,962,362,392.85/2,141,409.20
  6. Step 6: Final answer
    x = 1,620,877.67

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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.