Home / 2,577,386.70-3,865,095.90-779,672.70

Finding the Fourth Proportional to 2,577,386.70, 3,865,095.90 and 779,672.70

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Solution

The fourth proportional to 2,577,386.70, 3,865,095.90 and 779,672.70 is: 1,169,211.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577,386.70 : 3,865,095.90 = 779,672.70 : x
  2. Step 2: Convert to fraction form
    2,577,386.70/3,865,095.90 = 779,672.70/x
  3. Step 3: Cross multiply
    2,577,386.70x = 3,865,095.90 × 779,672.70
  4. Step 4: Simplify right side
    2,577,386.70x = 3,013,509,756,111.93
  5. Step 5: Solve for x
    x = 3,013,509,756,111.93/2,577,386.70
  6. Step 6: Final answer
    x = 1,169,211.34

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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.