Home / 1,869,962.20-2,808,053.70-1,029,117.40

Finding the Fourth Proportional to 1,869,962.20, 2,808,053.70 and 1,029,117.40

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Solution

The fourth proportional to 1,869,962.20, 2,808,053.70 and 1,029,117.40 is: 1,545,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,962.20 : 2,808,053.70 = 1,029,117.40 : x
  2. Step 2: Convert to fraction form
    1,869,962.20/2,808,053.70 = 1,029,117.40/x
  3. Step 3: Cross multiply
    1,869,962.20x = 2,808,053.70 × 1,029,117.40
  4. Step 4: Simplify right side
    1,869,962.20x = 2,889,816,922,804.38
  5. Step 5: Solve for x
    x = 2,889,816,922,804.38/1,869,962.20
  6. Step 6: Final answer
    x = 1,545,387.88

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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.