Home / 1,528,424.49-2,107,002.81-1,068,109.93

Finding the Fourth Proportional to 1,528,424.49, 2,107,002.81 and 1,068,109.93

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Solution

The fourth proportional to 1,528,424.49, 2,107,002.81 and 1,068,109.93 is: 1,472,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,424.49 : 2,107,002.81 = 1,068,109.93 : x
  2. Step 2: Convert to fraction form
    1,528,424.49/2,107,002.81 = 1,068,109.93/x
  3. Step 3: Cross multiply
    1,528,424.49x = 2,107,002.81 × 1,068,109.93
  4. Step 4: Simplify right side
    1,528,424.49x = 2,250,510,623,898.90
  5. Step 5: Solve for x
    x = 2,250,510,623,898.90/1,528,424.49
  6. Step 6: Final answer
    x = 1,472,438.21

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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.