Home / 2,423,121.77-3,343,921.32-1,390,547.45

Finding the Fourth Proportional to 2,423,121.77, 3,343,921.32 and 1,390,547.45

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Solution

The fourth proportional to 2,423,121.77, 3,343,921.32 and 1,390,547.45 is: 1,918,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423,121.77 : 3,343,921.32 = 1,390,547.45 : x
  2. Step 2: Convert to fraction form
    2,423,121.77/3,343,921.32 = 1,390,547.45/x
  3. Step 3: Cross multiply
    2,423,121.77x = 3,343,921.32 × 1,390,547.45
  4. Step 4: Simplify right side
    2,423,121.77x = 4,649,881,264,526.63
  5. Step 5: Solve for x
    x = 4,649,881,264,526.63/2,423,121.77
  6. Step 6: Final answer
    x = 1,918,963.10

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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.