Home / 5,127,689.80-7,076,154.59-2,804,649.06

Finding the Fourth Proportional to 5,127,689.80, 7,076,154.59 and 2,804,649.06

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Solution

The fourth proportional to 5,127,689.80, 7,076,154.59 and 2,804,649.06 is: 3,870,384.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,689.80 : 7,076,154.59 = 2,804,649.06 : x
  2. Step 2: Convert to fraction form
    5,127,689.80/7,076,154.59 = 2,804,649.06/x
  3. Step 3: Cross multiply
    5,127,689.80x = 7,076,154.59 × 2,804,649.06
  4. Step 4: Simplify right side
    5,127,689.80x = 19,846,130,319,258.18
  5. Step 5: Solve for x
    x = 19,846,130,319,258.18/5,127,689.80
  6. Step 6: Final answer
    x = 3,870,384.34

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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.