Home / 2,111,275.40-2,913,481.99-1,144,384.93

Finding the Fourth Proportional to 2,111,275.40, 2,913,481.99 and 1,144,384.93

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Solution

The fourth proportional to 2,111,275.40, 2,913,481.99 and 1,144,384.93 is: 1,579,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,275.40 : 2,913,481.99 = 1,144,384.93 : x
  2. Step 2: Convert to fraction form
    2,111,275.40/2,913,481.99 = 1,144,384.93/x
  3. Step 3: Cross multiply
    2,111,275.40x = 2,913,481.99 × 1,144,384.93
  4. Step 4: Simplify right side
    2,111,275.40x = 3,334,144,883,182.41
  5. Step 5: Solve for x
    x = 3,334,144,883,182.41/2,111,275.40
  6. Step 6: Final answer
    x = 1,579,208.89

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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.