Home / 2,813,420.65-4,220,488.47-893,646.93

Finding the Fourth Proportional to 2,813,420.65, 4,220,488.47 and 893,646.93

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Solution

The fourth proportional to 2,813,420.65, 4,220,488.47 and 893,646.93 is: 1,340,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,420.65 : 4,220,488.47 = 893,646.93 : x
  2. Step 2: Convert to fraction form
    2,813,420.65/4,220,488.47 = 893,646.93/x
  3. Step 3: Cross multiply
    2,813,420.65x = 4,220,488.47 × 893,646.93
  4. Step 4: Simplify right side
    2,813,420.65x = 3,771,626,564,315.90
  5. Step 5: Solve for x
    x = 3,771,626,564,315.90/2,813,420.65
  6. Step 6: Final answer
    x = 1,340,583.95

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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.