Home / 2,671,574.40-4,006,972.80-778,118.40

Finding the Fourth Proportional to 2,671,574.40, 4,006,972.80 and 778,118.40

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Solution

The fourth proportional to 2,671,574.40, 4,006,972.80 and 778,118.40 is: 1,167,064.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671,574.40 : 4,006,972.80 = 778,118.40 : x
  2. Step 2: Convert to fraction form
    2,671,574.40/4,006,972.80 = 778,118.40/x
  3. Step 3: Cross multiply
    2,671,574.40x = 4,006,972.80 × 778,118.40
  4. Step 4: Simplify right side
    2,671,574.40x = 3,117,899,263,979.52
  5. Step 5: Solve for x
    x = 3,117,899,263,979.52/2,671,574.40
  6. Step 6: Final answer
    x = 1,167,064.36

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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.