Home / 1,870,900.40-2,807,176.80-910,823.60

Finding the Fourth Proportional to 1,870,900.40, 2,807,176.80 and 910,823.60

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Solution

The fourth proportional to 1,870,900.40, 2,807,176.80 and 910,823.60 is: 1,366,637.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,900.40 : 2,807,176.80 = 910,823.60 : x
  2. Step 2: Convert to fraction form
    1,870,900.40/2,807,176.80 = 910,823.60/x
  3. Step 3: Cross multiply
    1,870,900.40x = 2,807,176.80 × 910,823.60
  4. Step 4: Simplify right side
    1,870,900.40x = 2,556,842,878,812.48
  5. Step 5: Solve for x
    x = 2,556,842,878,812.48/1,870,900.40
  6. Step 6: Final answer
    x = 1,366,637.62

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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.