Home / 1,916,784.10-2,875,176.15-569,154.70

Finding the Fourth Proportional to 1,916,784.10, 2,875,176.15 and 569,154.70

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Solution

The fourth proportional to 1,916,784.10, 2,875,176.15 and 569,154.70 is: 853,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,784.10 : 2,875,176.15 = 569,154.70 : x
  2. Step 2: Convert to fraction form
    1,916,784.10/2,875,176.15 = 569,154.70/x
  3. Step 3: Cross multiply
    1,916,784.10x = 2,875,176.15 × 569,154.70
  4. Step 4: Simplify right side
    1,916,784.10x = 1,636,420,019,100.40
  5. Step 5: Solve for x
    x = 1,636,420,019,100.40/1,916,784.10
  6. Step 6: Final answer
    x = 853,732.05

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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.