Home / 3,913,526.40-5,870,872.80-1,388,970.24

Finding the Fourth Proportional to 3,913,526.40, 5,870,872.80 and 1,388,970.24

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Solution

The fourth proportional to 3,913,526.40, 5,870,872.80 and 1,388,970.24 is: 2,083,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,526.40 : 5,870,872.80 = 1,388,970.24 : x
  2. Step 2: Convert to fraction form
    3,913,526.40/5,870,872.80 = 1,388,970.24/x
  3. Step 3: Cross multiply
    3,913,526.40x = 5,870,872.80 × 1,388,970.24
  4. Step 4: Simplify right side
    3,913,526.40x = 8,154,467,602,025.47
  5. Step 5: Solve for x
    x = 8,154,467,602,025.47/3,913,526.40
  6. Step 6: Final answer
    x = 2,083,662.35

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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.