Home / 2,813,547.60-4,220,321.40-2,690,686.80

Finding the Fourth Proportional to 2,813,547.60, 4,220,321.40 and 2,690,686.80

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Solution

The fourth proportional to 2,813,547.60, 4,220,321.40 and 2,690,686.80 is: 4,036,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,547.60 : 4,220,321.40 = 2,690,686.80 : x
  2. Step 2: Convert to fraction form
    2,813,547.60/4,220,321.40 = 2,690,686.80/x
  3. Step 3: Cross multiply
    2,813,547.60x = 4,220,321.40 × 2,690,686.80
  4. Step 4: Simplify right side
    2,813,547.60x = 11,355,563,082,737.52
  5. Step 5: Solve for x
    x = 11,355,563,082,737.52/2,813,547.60
  6. Step 6: Final answer
    x = 4,036,030.20

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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.