Home / 1,861,875.40-2,792,813.10-917,091.40

Finding the Fourth Proportional to 1,861,875.40, 2,792,813.10 and 917,091.40

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Solution

The fourth proportional to 1,861,875.40, 2,792,813.10 and 917,091.40 is: 1,375,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,875.40 : 2,792,813.10 = 917,091.40 : x
  2. Step 2: Convert to fraction form
    1,861,875.40/2,792,813.10 = 917,091.40/x
  3. Step 3: Cross multiply
    1,861,875.40x = 2,792,813.10 × 917,091.40
  4. Step 4: Simplify right side
    1,861,875.40x = 2,561,264,875,817.34
  5. Step 5: Solve for x
    x = 2,561,264,875,817.34/1,861,875.40
  6. Step 6: Final answer
    x = 1,375,637.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.