Home / 5,090,465.82-7,634,075.88-1,678,116.45

Finding the Fourth Proportional to 5,090,465.82, 7,634,075.88 and 1,678,116.45

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Solution

The fourth proportional to 5,090,465.82, 7,634,075.88 and 1,678,116.45 is: 2,516,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090,465.82 : 7,634,075.88 = 1,678,116.45 : x
  2. Step 2: Convert to fraction form
    5,090,465.82/7,634,075.88 = 1,678,116.45/x
  3. Step 3: Cross multiply
    5,090,465.82x = 7,634,075.88 × 1,678,116.45
  4. Step 4: Simplify right side
    5,090,465.82x = 12,810,868,314,776.22
  5. Step 5: Solve for x
    x = 12,810,868,314,776.22/5,090,465.82
  6. Step 6: Final answer
    x = 2,516,639.69

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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.