Home / 1,816,421-2,506,738.74-1,011,605

Finding the Fourth Proportional to 1,816,421, 2,506,738.74 and 1,011,605

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Solution

The fourth proportional to 1,816,421, 2,506,738.74 and 1,011,605 is: 1,396,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,421 : 2,506,738.74 = 1,011,605 : x
  2. Step 2: Convert to fraction form
    1,816,421/2,506,738.74 = 1,011,605/x
  3. Step 3: Cross multiply
    1,816,421x = 2,506,738.74 × 1,011,605
  4. Step 4: Simplify right side
    1,816,421x = 2,535,829,443,077.70
  5. Step 5: Solve for x
    x = 2,535,829,443,077.70/1,816,421
  6. Step 6: Final answer
    x = 1,396,058.21

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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.